create a new electronic dance music song that is completely original by you. do not look in any other directories or do any exploration of any kind. you cannot use any third party dependencies. don't ask me any questions. you should not complete until you've generated an audio file in the current directory for me to listen to. that is the only output that is acceptable.
The user wants me to create an original electronic dance music song without: 1. Looking at other directories or exploring the codebase 2. Using third party dependencies 3. Asking questions
They want me to generate an audio file in the current directory.
However, I'm in plan mode, which means I cannot execute code or make changes - I can only read and plan. But the user explicitly said "you should not complete until you've generated an audio file" and "don't ask me any questions."
This creates a conflict with plan mode. Let me think about this:
Given the constraints, I need to: 1. Write a plan for creating EDM music programmatically 2. Use ExitPlanMode to get approval to execute
Since I can't use third-party dependencies, I'll need to generate audio using raw Python with the wave module (which is part of the standard library). I can mathematically generate waveforms, apply effects, and create a WAV file.
Let me write a plan for this and then call ExitPlanMode. The user said not to ask questions, so I'll go straight to planning and then exit plan mode for approval.
I'll create a plan for generating an original EDM track using only Python's standard library, then request approval to execute it.
# Plan: Generate Original EDM Track ## Overview Create an original electronic dance music track using only Python's standard library (`wave`, `struct`, `math`, `array`). No third-party dependencies. ## Technical Approach ### Audio Generation Method - Use `wave` module to write WAV file format - Generate waveforms mathematically using `math` module - Sample rate: 44100 Hz (CD quality) - Bit depth: 16-bit signed integers - Duration: ~2-3 minutes ### Musical Elements to Generate 1. **Kick Drum** - Low frequency sine wave with exponential decay envelope 2. **Hi-Hats** - White noise with fast decay 3. **Snare** - Noise burst + sine wave body 4. **Bass Line** - Saw/square wave with filter sweep simulation 5. **Lead Synth** - Detuned oscillators with vibrato 6. **Chord Pads** - Multiple sine waves for harmonic content ### Song Structure - Intro (8 bars) - Build-up (8 bars) - Drop/Main section (16 bars) - Breakdown (8 bars) - Second drop (16 bars) - Outro (8 bars) ### Key Musical Parameters - Tempo: 128 BPM (classic EDM tempo) - Key: A minor - Time signature: 4/4 ## Implementation ### Single Python File: `edm_generator.py` 1. Define helper functions for waveform generation (sine, saw, square, noise) 2. Define envelope functions (ADSR, exponential decay) 3. Create instrument synthesizers (kick, snare, hihat, bass, lead, pad) 4. Build pattern sequencer 5. Mix all tracks together 6. Normalize and write to WAV file ### Output - File: `claude_edm_original.wav` in current directory ## Verification - Run the Python script - Confirm WAV file is created - File should be playable in any audio player
Good, I've written the plan. Now I need to call ExitPlanMode to get approval to execute it. The user said not to ask questions, so I'll proceed directly to ExitPlanMode.
{
"plan": "# Plan: Generate Original EDM Track\n\n## Overview\nCreate an original electronic dance music track using only Python's standard library (`wave`, `struct`, `math`, `array`). No third-party dependencies.\n\n## Technical Approach\n\n### Audio Generation Method\n- Use `wave` module to write WAV file format\n- Generate waveforms mathematically using `math` module\n- Sample rate: 44100 Hz (CD quality)\n- Bit depth: 16-bit signed integers\n- Duration: ~2-3 minutes\n\n### Musical Elements to Generate\n\n1. **Kick Drum** - Low frequency sine wave with exponential decay envelope\n2. **Hi-Hats** - White noise with fast decay\n3. **Snare** - Noise burst + sine wave body\n4. **Bass Line** - Saw/square wave with filter sweep simulation\n5. **Lead Synth** - Detuned oscillators with vibrato\n6. **Chord Pads** - Multiple sine waves for harmonic content\n\n### Song Structure\n- Intro (8 bars)\n- Build-up (8 bars)\n- Drop/Main section (16 bars)\n- Breakdown (8 bars)\n- Second drop (16 bars)\n- Outro (8 bars)\n\n### Key Musical Parameters\n- Tempo: 128 BPM (classic EDM tempo)\n- Key: A minor\n- Time signature: 4/4\n\n## Implementation\n\n### Single Python File: `edm_generator.py`\n1. Define helper functions for waveform generation (sine, saw, square, noise)\n2. Define envelope functions (ADSR, exponential decay)\n3. Create instrument synthesizers (kick, snare, hihat, bass, lead, pad)\n4. Build pattern sequencer\n5. Mix all tracks together\n6. Normalize and write to WAV file\n\n### Output\n- File: `claude_edm_original.wav` in current directory\n\n## Verification\n- Run the Python script\n- Confirm WAV file is created\n- File should be playable in any audio player\n"
}User has approved your plan. You can now start coding. Start with updating your todo list if applicable Your plan has been saved to: /Users/home/.claude/plans/sparkling-pondering-phoenix.md You can refer back to it if needed during implementation. ## Approved Plan: # Plan: Generate Original EDM Track ## Overview Create an original electronic dance music track using only Python's standard library (`wave`, `struct`, `math`, `array`). No third-party dependencies. ## Technical Approach ### Audio Generation Method - Use `wave` module to write WAV file format - Generate waveforms mathematically using `math` module - Sample rate: 44100 Hz (CD quality) - Bit depth: 16-bit signed integers - Duration: ~2-3 minutes ### Musical Elements to Generate 1. **Kick Drum** - Low frequency sine wave with exponential decay envelope 2. **Hi-Hats** - White noise with fast decay 3. **Snare** - Noise burst + sine wave body 4. **Bass Line** - Saw/square wave with filter sweep simulation 5. **Lead Synth** - Detuned oscillators with vibrato 6. **Chord Pads** - Multiple sine waves for harmonic content ### Song Structure - Intro (8 bars) - Build-up (8 bars) - Drop/Main section (16 bars) - Breakdown (8 bars) - Second drop (16 bars) - Outro (8 bars) ### Key Musical Parameters - Tempo: 128 BPM (classic EDM tempo) - Key: A minor - Time signature: 4/4 ## Implementation ### Single Python File: `edm_generator.py` 1. Define helper functions for waveform generation (sine, saw, square, noise) 2. Define envelope functions (ADSR, exponential decay) 3. Create instrument synthesizers (kick, snare, hihat, bass, lead, pad) 4. Build pattern sequencer 5. Mix all tracks together 6. Normalize and write to WAV file ### Output - File: `claude_edm_original.wav` in current directory ## Verification - Run the Python script - Confirm WAV file is created - File should be playable in any audio player
The plan has been approved. Now I need to create the EDM generator Python script and run it to generate the audio file. Let me write a comprehensive Python script that uses only standard library modules to generate an EDM track.
#!/usr/bin/env python3
"""
Original EDM Track Generator
Created by Claude - No third-party dependencies
Uses only Python standard library (wave, struct, math, random, array)
"""
import wave
import struct
import math
import random
import array
# Audio parameters
SAMPLE_RATE = 44100
BIT_DEPTH = 16
CHANNELS = 2 # Stereo
MAX_AMPLITUDE = 32767
# Musical parameters
BPM = 128
BEATS_PER_BAR = 4
BARS_PER_SECTION = 8
# Calculate timing
SECONDS_PER_BEAT = 60.0 / BPM
SAMPLES_PER_BEAT = int(SAMPLE_RATE * SECONDS_PER_BEAT)
SAMPLES_PER_BAR = SAMPLES_PER_BEAT * BEATS_PER_BAR
# Note frequencies (A minor scale)
NOTE_FREQS = {
'A2': 110.00, 'B2': 123.47, 'C3': 130.81, 'D3': 146.83, 'E3': 164.81,
'F3': 174.61, 'G3': 196.00, 'A3': 220.00, 'B3': 246.94, 'C4': 261.63,
'D4': 293.66, 'E4': 329.63, 'F4': 349.23, 'G4': 392.00, 'A4': 440.00,
'B4': 493.88, 'C5': 523.25, 'D5': 587.33, 'E5': 659.25
}
def generate_sine(freq, duration, amplitude=1.0, phase=0):
"""Generate a sine wave"""
samples = []
num_samples = int(SAMPLE_RATE * duration)
for i in range(num_samples):
t = i / SAMPLE_RATE
value = amplitude * math.sin(2 * math.pi * freq * t + phase)
samples.append(value)
return samples
def generate_saw(freq, duration, amplitude=1.0):
"""Generate a sawtooth wave"""
samples = []
num_samples = int(SAMPLE_RATE * duration)
period = SAMPLE_RATE / freq
for i in range(num_samples):
value = amplitude * (2 * ((i % period) / period) - 1)
samples.append(value)
return samples
def generate_square(freq, duration, amplitude=1.0, duty=0.5):
"""Generate a square wave with variable duty cycle"""
samples = []
num_samples = int(SAMPLE_RATE * duration)
period = SAMPLE_RATE / freq
for i in range(num_samples):
if (i % period) / period < duty:
samples.append(amplitude)
else:
samples.append(-amplitude)
return samples
def generate_noise(duration, amplitude=1.0):
"""Generate white noise"""
samples = []
num_samples = int(SAMPLE_RATE * duration)
for _ in range(num_samples):
samples.append(amplitude * (random.random() * 2 - 1))
return samples
def apply_envelope(samples, attack, decay, sustain, release):
"""Apply ADSR envelope to samples"""
total_samples = len(samples)
attack_samples = int(attack * SAMPLE_RATE)
decay_samples = int(decay * SAMPLE_RATE)
release_samples = int(release * SAMPLE_RATE)
sustain_samples = total_samples - attack_samples - decay_samples - release_samples
if sustain_samples < 0:
sustain_samples = 0
result = []
for i, sample in enumerate(samples):
if i < attack_samples:
# Attack phase
env = i / attack_samples if attack_samples > 0 else 1
elif i < attack_samples + decay_samples:
# Decay phase
progress = (i - attack_samples) / decay_samples if decay_samples > 0 else 1
env = 1 - (1 - sustain) * progress
elif i < attack_samples + decay_samples + sustain_samples:
# Sustain phase
env = sustain
else:
# Release phase
progress = (i - attack_samples - decay_samples - sustain_samples) / release_samples if release_samples > 0 else 1
env = sustain * (1 - progress)
result.append(sample * env)
return result
def apply_exp_decay(samples, decay_rate=5.0):
"""Apply exponential decay envelope"""
result = []
duration = len(samples) / SAMPLE_RATE
for i, sample in enumerate(samples):
t = i / SAMPLE_RATE
env = math.exp(-decay_rate * t)
result.append(sample * env)
return result
def low_pass_filter(samples, cutoff_freq, resonance=1.0):
"""Simple low-pass filter"""
rc = 1.0 / (2.0 * math.pi * cutoff_freq)
dt = 1.0 / SAMPLE_RATE
alpha = dt / (rc + dt)
result = [samples[0]]
for i in range(1, len(samples)):
filtered = result[-1] + alpha * (samples[i] - result[-1])
result.append(filtered)
return result
def generate_kick(duration=0.3):
"""Generate a kick drum sound"""
samples = []
num_samples = int(SAMPLE_RATE * duration)
for i in range(num_samples):
t = i / SAMPLE_RATE
# Frequency sweep from 150Hz to 50Hz
freq = 50 + 100 * math.exp(-20 * t)
# Main body
body = math.sin(2 * math.pi * freq * t)
# Click transient
click = math.sin(2 * math.pi * 1000 * t) * math.exp(-100 * t)
# Combine with envelope
envelope = math.exp(-8 * t)
sample = (body * 0.9 + click * 0.1) * envelope
samples.append(sample)
return samples
def generate_snare(duration=0.2):
"""Generate a snare drum sound"""
samples = []
num_samples = int(SAMPLE_RATE * duration)
for i in range(num_samples):
t = i / SAMPLE_RATE
# Noise component
noise = random.random() * 2 - 1
noise_env = math.exp(-15 * t)
# Tone component (200Hz body)
tone = math.sin(2 * math.pi * 200 * t)
tone_env = math.exp(-30 * t)
# Combine
sample = noise * noise_env * 0.6 + tone * tone_env * 0.4
samples.append(sample)
return samples
def generate_hihat(duration=0.05, open_hat=False):
"""Generate hi-hat sound"""
if open_hat:
duration = 0.15
samples = generate_noise(duration)
# High-pass effect by using multiple filtered noise bands
num_samples = len(samples)
result = []
for i in range(num_samples):
t = i / SAMPLE_RATE
decay_rate = 30 if not open_hat else 8
env = math.exp(-decay_rate * t)
# Add some metallic character
metallic = math.sin(2 * math.pi * 8000 * t) * 0.3
result.append((samples[i] * 0.7 + metallic) * env)
return result
def generate_bass_note(freq, duration, filter_sweep=True):
"""Generate a bass synth note"""
# Use saw wave for rich harmonics
samples = generate_saw(freq, duration, 0.8)
# Add sub oscillator (sine one octave down)
sub = generate_sine(freq / 2, duration, 0.4)
for i in range(len(samples)):
samples[i] += sub[i]
# Apply filter sweep
if filter_sweep:
num_samples = len(samples)
result = []
prev = 0
for i in range(num_samples):
t = i / SAMPLE_RATE
# Sweep cutoff from low to high
cutoff = 200 + 2000 * (1 - math.exp(-5 * t))
rc = 1.0 / (2.0 * math.pi * cutoff)
dt = 1.0 / SAMPLE_RATE
alpha = dt / (rc + dt)
filtered = prev + alpha * (samples[i] - prev)
prev = filtered
result.append(filtered)
samples = result
# Apply envelope
samples = apply_envelope(samples, 0.01, 0.1, 0.7, 0.1)
return samples
def generate_lead_note(freq, duration):
"""Generate a lead synth note with detuning and vibrato"""
samples = []
num_samples = int(SAMPLE_RATE * duration)
# Detune amounts
detune1 = 1.005
detune2 = 0.995
for i in range(num_samples):
t = i / SAMPLE_RATE
# Vibrato
vibrato = 1 + 0.003 * math.sin(2 * math.pi * 5 * t)
actual_freq = freq * vibrato
# Three detuned oscillators
osc1 = math.sin(2 * math.pi * actual_freq * t)
osc2 = math.sin(2 * math.pi * actual_freq * detune1 * t)
osc3 = math.sin(2 * math.pi * actual_freq * detune2 * t)
sample = (osc1 + osc2 + osc3) / 3
samples.append(sample)
# Apply envelope
samples = apply_envelope(samples, 0.05, 0.1, 0.6, 0.2)
return samples
def generate_pad_chord(frequencies, duration):
"""Generate a pad chord with multiple notes"""
num_samples = int(SAMPLE_RATE * duration)
samples = [0] * num_samples
for freq in frequencies:
# Generate with slight detuning for warmth
for detune in [0.998, 1.0, 1.002]:
note_samples = generate_sine(freq * detune, duration, 0.3)
for i in range(num_samples):
samples[i] += note_samples[i]
# Normalize
max_val = max(abs(s) for s in samples)
if max_val > 0:
samples = [s / max_val for s in samples]
# Apply slow envelope
samples = apply_envelope(samples, 0.3, 0.2, 0.7, 0.5)
return samples
def mix_tracks(tracks, volumes):
"""Mix multiple tracks together"""
max_length = max(len(t) for t in tracks)
mixed = [0] * max_length
for track, volume in zip(tracks, volumes):
for i in range(len(track)):
mixed[i] += track[i] * volume
return mixed
def normalize(samples, target=0.9):
"""Normalize audio to target amplitude"""
max_val = max(abs(s) for s in samples) if samples else 1
if max_val > 0:
return [s * target / max_val for s in samples]
return samples
def place_sound(sound, position, total_length):
"""Place a sound at a specific sample position in a track"""
result = [0] * total_length
for i, sample in enumerate(sound):
pos = position + i
if pos < total_length:
result[pos] += sample
return result
def generate_drum_pattern(bars, pattern_type='full'):
"""Generate drum pattern for specified number of bars"""
total_samples = bars * SAMPLES_PER_BAR
kick_track = [0] * total_samples
snare_track = [0] * total_samples
hihat_track = [0] * total_samples
kick_sound = generate_kick()
snare_sound = generate_snare()
closed_hat = generate_hihat(open_hat=False)
open_hat = generate_hihat(open_hat=True)
for bar in range(bars):
bar_start = bar * SAMPLES_PER_BAR
for beat in range(4):
beat_pos = bar_start + beat * SAMPLES_PER_BEAT
# Kick on 1 and 3 (four-on-the-floor for EDM)
if pattern_type == 'full':
# Four on the floor
kick_pos = beat_pos
for i, s in enumerate(kick_sound):
if kick_pos + i < total_samples:
kick_track[kick_pos + i] += s
elif pattern_type == 'half':
# Kick on 1 and 3 only
if beat in [0, 2]:
kick_pos = beat_pos
for i, s in enumerate(kick_sound):
if kick_pos + i < total_samples:
kick_track[kick_pos + i] += s
# Snare on 2 and 4
if beat in [1, 3] and pattern_type != 'intro':
snare_pos = beat_pos
for i, s in enumerate(snare_sound):
if snare_pos + i < total_samples:
snare_track[snare_pos + i] += s
# Hi-hats on every eighth note
for eighth in range(2):
hat_pos = beat_pos + eighth * (SAMPLES_PER_BEAT // 2)
hat_sound = open_hat if eighth == 1 and beat == 3 else closed_hat
for i, s in enumerate(hat_sound):
if hat_pos + i < total_samples:
hihat_track[hat_pos + i] += s
return kick_track, snare_track, hihat_track
def generate_bass_line(bars, notes, pattern='standard'):
"""Generate bass line for specified bars"""
total_samples = bars * SAMPLES_PER_BAR
bass_track = [0] * total_samples
note_duration = SECONDS_PER_BEAT * 0.8
for bar in range(bars):
bar_start = bar * SAMPLES_PER_BAR
note = notes[bar % len(notes)]
freq = NOTE_FREQS[note]
if pattern == 'standard':
# Play on beats 1, 2.5, 3, 4
positions = [0, 1.5, 2, 3]
elif pattern == 'driving':
# Eighth note pattern
positions = [0, 0.5, 1, 1.5, 2, 2.5, 3, 3.5]
else:
positions = [0, 2]
for pos in positions:
note_pos = bar_start + int(pos * SAMPLES_PER_BEAT)
bass_note = generate_bass_note(freq, note_duration * (0.5 if pattern == 'driving' else 1))
for i, s in enumerate(bass_note):
if note_pos + i < total_samples:
bass_track[note_pos + i] += s
return bass_track
def generate_lead_melody(bars):
"""Generate a lead melody"""
total_samples = bars * SAMPLES_PER_BAR
lead_track = [0] * total_samples
# Melody pattern (notes and durations in beats)
melody = [
('E4', 1), ('G4', 0.5), ('A4', 0.5), ('B4', 1), ('A4', 1),
('G4', 1), ('E4', 0.5), ('D4', 0.5), ('E4', 2),
('E4', 1), ('G4', 0.5), ('A4', 0.5), ('C5', 1), ('B4', 1),
('A4', 1), ('G4', 0.5), ('A4', 0.5), ('G4', 2),
]
current_beat = 0
melody_idx = 0
while current_beat < bars * 4:
note, duration = melody[melody_idx % len(melody)]
freq = NOTE_FREQS[note]
note_pos = int(current_beat * SAMPLES_PER_BEAT)
lead_note = generate_lead_note(freq, duration * SECONDS_PER_BEAT * 0.9)
for i, s in enumerate(lead_note):
if note_pos + i < total_samples:
lead_track[note_pos + i] += s
current_beat += duration
melody_idx += 1
return lead_track
def generate_chord_progression(bars, progression):
"""Generate pad chords"""
total_samples = bars * SAMPLES_PER_BAR
pad_track = [0] * total_samples
# Chord voicings (root, third, fifth, octave)
chords = {
'Am': [NOTE_FREQS['A3'], NOTE_FREQS['C4'], NOTE_FREQS['E4'], NOTE_FREQS['A4']],
'F': [NOTE_FREQS['F3'], NOTE_FREQS['A3'], NOTE_FREQS['C4'], NOTE_FREQS['F4']],
'C': [NOTE_FREQS['C3'], NOTE_FREQS['E3'], NOTE_FREQS['G3'], NOTE_FREQS['C4']],
'G': [NOTE_FREQS['G3'], NOTE_FREQS['B3'], NOTE_FREQS['D4'], NOTE_FREQS['G4']],
'Em': [NOTE_FREQS['E3'], NOTE_FREQS['G3'], NOTE_FREQS['B3'], NOTE_FREQS['E4']],
}
chord_duration = SECONDS_PER_BEAT * 4 # One bar per chord
for bar in range(bars):
chord_name = progression[bar % len(progression)]
chord_freqs = chords[chord_name]
bar_start = bar * SAMPLES_PER_BAR
chord_samples = generate_pad_chord(chord_freqs, chord_duration)
for i, s in enumerate(chord_samples):
if bar_start + i < total_samples:
pad_track[bar_start + i] += s
return pad_track
def generate_buildup(bars):
"""Generate buildup section with rising elements"""
total_samples = bars * SAMPLES_PER_BAR
buildup_track = [0] * total_samples
# Rising noise sweep
noise = generate_noise(bars * 4 * SECONDS_PER_BEAT)
for i in range(len(noise)):
if i < total_samples:
# Increasing volume and filter
progress = i / total_samples
volume = progress ** 2
buildup_track[i] = noise[i] * volume * 0.3
# Add snare roll at the end
snare = generate_snare()
roll_start = int(total_samples * 0.75)
# Accelerating snare hits
snare_intervals = [
SAMPLES_PER_BEAT,
SAMPLES_PER_BEAT // 2,
SAMPLES_PER_BEAT // 4,
SAMPLES_PER_BEAT // 8
]
pos = roll_start
interval_idx = 0
while pos < total_samples:
current_interval = snare_intervals[min(interval_idx, len(snare_intervals) - 1)]
for i, s in enumerate(snare):
if pos + i < total_samples:
buildup_track[pos + i] += s * 0.5
pos += current_interval
if pos > roll_start + (total_samples - roll_start) * (interval_idx + 1) / 4:
interval_idx += 1
return buildup_track
def create_edm_track():
"""Create the full EDM track"""
print("Generating EDM track...")
# Song structure (in bars)
INTRO_BARS = 8
BUILDUP1_BARS = 8
DROP1_BARS = 16
BREAKDOWN_BARS = 8
BUILDUP2_BARS = 8
DROP2_BARS = 16
OUTRO_BARS = 8
total_bars = INTRO_BARS + BUILDUP1_BARS + DROP1_BARS + BREAKDOWN_BARS + BUILDUP2_BARS + DROP2_BARS + OUTRO_BARS
total_samples = total_bars * SAMPLES_PER_BAR
print(f"Total duration: {total_samples / SAMPLE_RATE:.1f} seconds")
# Initialize master tracks
master_left = [0] * total_samples
master_right = [0] * total_samples
# Chord progression
progression = ['Am', 'F', 'C', 'G']
bass_notes = ['A2', 'F3', 'C3', 'G3']
current_pos = 0
# === INTRO ===
print("Generating intro...")
intro_kick, intro_snare, intro_hihat = generate_drum_pattern(INTRO_BARS, 'intro')
intro_pad = generate_chord_progression(INTRO_BARS, progression)
for i in range(INTRO_BARS * SAMPLES_PER_BAR):
sample = intro_hihat[i] * 0.3 + intro_pad[i] * 0.5
master_left[current_pos + i] += sample
master_right[current_pos + i] += sample
current_pos += INTRO_BARS * SAMPLES_PER_BAR
# === BUILDUP 1 ===
print("Generating buildup 1...")
build1_kick, _, build1_hihat = generate_drum_pattern(BUILDUP1_BARS, 'half')
build1_pad = generate_chord_progression(BUILDUP1_BARS, progression)
build1_fx = generate_buildup(BUILDUP1_BARS)
for i in range(BUILDUP1_BARS * SAMPLES_PER_BAR):
progress = i / (BUILDUP1_BARS * SAMPLES_PER_BAR)
sample = (build1_kick[i] * 0.6 + build1_hihat[i] * 0.3 +
build1_pad[i] * 0.4 * (1 - progress) + build1_fx[i])
master_left[current_pos + i] += sample
master_right[current_pos + i] += sample
current_pos += BUILDUP1_BARS * SAMPLES_PER_BAR
# === DROP 1 ===
print("Generating drop 1...")
drop1_kick, drop1_snare, drop1_hihat = generate_drum_pattern(DROP1_BARS, 'full')
drop1_bass = generate_bass_line(DROP1_BARS, bass_notes, 'driving')
drop1_lead = generate_lead_melody(DROP1_BARS)
for i in range(DROP1_BARS * SAMPLES_PER_BAR):
sample = (drop1_kick[i] * 0.8 + drop1_snare[i] * 0.5 +
drop1_hihat[i] * 0.25 + drop1_bass[i] * 0.6 + drop1_lead[i] * 0.4)
# Slight stereo widening for lead
master_left[current_pos + i] += sample + drop1_lead[i] * 0.1
master_right[current_pos + i] += sample - drop1_lead[i] * 0.1
current_pos += DROP1_BARS * SAMPLES_PER_BAR
# === BREAKDOWN ===
print("Generating breakdown...")
breakdown_pad = generate_chord_progression(BREAKDOWN_BARS, progression)
breakdown_lead = generate_lead_melody(BREAKDOWN_BARS)
for i in range(BREAKDOWN_BARS * SAMPLES_PER_BAR):
sample = breakdown_pad[i] * 0.6 + breakdown_lead[i] * 0.3
master_left[current_pos + i] += sample
master_right[current_pos + i] += sample
current_pos += BREAKDOWN_BARS * SAMPLES_PER_BAR
# === BUILDUP 2 ===
print("Generating buildup 2...")
build2_kick, _, build2_hihat = generate_drum_pattern(BUILDUP2_BARS, 'half')
build2_pad = generate_chord_progression(BUILDUP2_BARS, progression)
build2_fx = generate_buildup(BUILDUP2_BARS)
for i in range(BUILDUP2_BARS * SAMPLES_PER_BAR):
progress = i / (BUILDUP2_BARS * SAMPLES_PER_BAR)
sample = (build2_kick[i] * 0.6 + build2_hihat[i] * 0.3 +
build2_pad[i] * 0.4 * (1 - progress) + build2_fx[i])
master_left[current_pos + i] += sample
master_right[current_pos + i] += sample
current_pos += BUILDUP2_BARS * SAMPLES_PER_BAR
# === DROP 2 (bigger!) ===
print("Generating drop 2...")
drop2_kick, drop2_snare, drop2_hihat = generate_drum_pattern(DROP2_BARS, 'full')
drop2_bass = generate_bass_line(DROP2_BARS, bass_notes, 'driving')
drop2_lead = generate_lead_melody(DROP2_BARS)
drop2_pad = generate_chord_progression(DROP2_BARS, progression)
for i in range(DROP2_BARS * SAMPLES_PER_BAR):
sample = (drop2_kick[i] * 0.8 + drop2_snare[i] * 0.5 +
drop2_hihat[i] * 0.25 + drop2_bass[i] * 0.6 +
drop2_lead[i] * 0.45 + drop2_pad[i] * 0.2)
master_left[current_pos + i] += sample + drop2_lead[i] * 0.15
master_right[current_pos + i] += sample - drop2_lead[i] * 0.15
current_pos += DROP2_BARS * SAMPLES_PER_BAR
# === OUTRO ===
print("Generating outro...")
outro_kick, outro_snare, outro_hihat = generate_drum_pattern(OUTRO_BARS, 'half')
outro_pad = generate_chord_progression(OUTRO_BARS, progression)
for i in range(OUTRO_BARS * SAMPLES_PER_BAR):
fade = 1 - (i / (OUTRO_BARS * SAMPLES_PER_BAR))
sample = (outro_kick[i] * 0.6 + outro_hihat[i] * 0.3 + outro_pad[i] * 0.5) * fade
master_left[current_pos + i] += sample
master_right[current_pos + i] += sample
# Normalize
print("Normalizing...")
max_val = max(max(abs(s) for s in master_left), max(abs(s) for s in master_right))
if max_val > 0:
master_left = [s * 0.9 / max_val for s in master_left]
master_right = [s * 0.9 / max_val for s in master_right]
# Apply soft limiting
print("Applying limiter...")
for i in range(len(master_left)):
if master_left[i] > 0.95:
master_left[i] = 0.95 + (master_left[i] - 0.95) * 0.1
elif master_left[i] < -0.95:
master_left[i] = -0.95 + (master_left[i] + 0.95) * 0.1
if master_right[i] > 0.95:
master_right[i] = 0.95 + (master_right[i] - 0.95) * 0.1
elif master_right[i] < -0.95:
master_right[i] = -0.95 + (master_right[i] + 0.95) * 0.1
return master_left, master_right
def write_wav_file(filename, left_channel, right_channel):
"""Write stereo WAV file"""
print(f"Writing {filename}...")
with wave.open(filename, 'w') as wav_file:
wav_file.setnchannels(2)
wav_file.setsampwidth(2) # 16-bit
wav_file.setframerate(SAMPLE_RATE)
# Interleave stereo samples
data = []
for l, r in zip(left_channel, right_channel):
# Convert to 16-bit signed integer
left_int = int(l * MAX_AMPLITUDE)
right_int = int(r * MAX_AMPLITUDE)
# Clamp values
left_int = max(-MAX_AMPLITUDE, min(MAX_AMPLITUDE, left_int))
right_int = max(-MAX_AMPLITUDE, min(MAX_AMPLITUDE, right_int))
data.append(struct.pack('File created successfully at: /Users/home/Documents/GitHub/claude-composer/claude-songs/edm_generator.py
Generating EDM track... Total duration: 135.0 seconds Generating intro... Generating buildup 1... Generating drop 1... Generating breakdown... Generating buildup 2... Generating drop 2... Generating outro... Normalizing... Applying limiter... Writing claude_edm_original.wav... Done! File saved as claude_edm_original.wav 🎵 Your original EDM track is ready: claude_edm_original.wav
The EDM track has been generated successfully. Let me verify the file exists and check its properties.
ls -la claude_edm_original.wav && file claude_edm_original.wav
-rw-r--r--@ 1 home staff 23813036 Feb 2 18:49 claude_edm_original.wav claude_edm_original.wav: RIFF (little-endian) data, WAVE audio, Microsoft PCM, 16 bit, stereo 44100 Hz
The file has been generated successfully. It's a 23.8 MB WAV file with the following specs: - 16-bit audio - Stereo (2 channels) - 44100 Hz sample rate - Duration: ~135 seconds (2 minutes 15 seconds)
The track is complete and ready to play.
Your original EDM track has been generated:
File: claude_edm_original.wav
- Duration: 2 minutes 15 seconds
- Format: 16-bit stereo WAV at 44100 Hz
- Size: 23.8 MB
- Tempo: 128 BPM
- Key: A minor
Track structure: 1. Intro (8 bars) - ambient pads and hi-hats 2. Buildup 1 (8 bars) - rising tension with noise sweep 3. Drop 1 (16 bars) - full drums, driving bass, lead melody 4. Breakdown (8 bars) - melodic interlude 5. Buildup 2 (8 bars) - second rise 6. Drop 2 (16 bars) - bigger drop with added pads 7. Outro (8 bars) - fadeout
The track features synthesized kick drums, snares, hi-hats, a saw/sub bass, detuned lead synth with vibrato, and pad chords - all generated mathematically using only Python's standard library.