Winner-takes-all drum transcription + harsher piano rhythm grid

Fix peak_pick dtype error in NMF drum transcription

NMF-based drum transcription, wider final rhythm snap

Fix drum classification and tighten piano rhythm grid

Real drum samples from LinnDrum CDN, tighter rhythm and fewer notes

Sample-based drum kit and tighter rhythm snapping

Tighten rhythm snapping and fix drum sync

Fix drum transcription and playback sounds

LH anchors on melody (top note), enforce span on concurrent notes too

Add 15s timeout fallback for sample loading

Enforce hand span limit — no chord wider than an octave per hand

Merge repeated same-pitch notes into sustains, increase drum detection sensitivity

Add rhythm consolidation step to discipline note onsets

Remove hand outlier harmonics, rewrite drum transcription with multi-band detection

Use solo piano optimizer for full-song melodic stem, reduce LH bass notes

Fix MetalSynth API (HH/ride/crash) and use mix audio for beat tracking

Fix piano roll quality, drum sounds, add original audio playback, fix speed

Replace madmom with librosa for drum onset detection

Add drum transcription with madmom onset detection + spectral classification

Fix bass in piano roll, upgrade guitar samples, improve bass optimizer

Remove unused vocal transcription and arrangement from full song pipeline

Use direct melodic transcription for piano roll instead of arrangement

Improve transcription quality + upgrade to Magenta SGM+ samples

Sample-based guitar/bass sounds, filter bass from piano roll, two guitar tabs

Full Song quality pass: light optimizer, better guitar sound, tab accuracy

Add instrument-specific audio: guitar synth for guitar tab, bass synth for bass tab

Add piano arrangement engine + guitar/bass tab views for Full Song mode

Smooth progress line movement on sheet music

Fix audio not playing in Safari: fall back to MP3 samples

Add playback progress line and note coloring to sheet music

Add torchcodec dependency for Demucs

Fix Demucs segment size: htdemucs max is 7.8, use 7

Fix Demucs OOM on HF Spaces and update Full Song description

Add guitar fretboard and drumstick legs to octopus logo

Fix Dockerfile: install torchaudio from CPU index, skip model pre-download

Add Full Song mode with Demucs source separation

Add light outline to black key for visibility

Spread logo keys wider and make black key same length as white

Add outlines to logo keys and widen spacing

Widen spacing between logo key-legs for clarity

Simplify logo to 4 straighter key-legs (1 black, 3 white)

Redesign loop controls to clear 3-state contextual flow

Add file title to sheet music header

Update loading time estimate and tighten logo key splay

Add sheet music tab with VexFlow notation and PNG download

Improve transcription fidelity: trailing notes, sustain pedal, complexity tuning

Enhance spurious onset filter for higher precision

Improve register balance: CQT-check bass, relax upper threshold

Fix tempo doubling and reduce harmonic ghost over-removal

Initial commit - Mr Octopus piano tutorial app