README.md

metadata

title: Multitrack MIDI Composer
emoji: 🎹
colorFrom: purple
colorTo: blue
sdk: gradio
sdk_version: 6.3.0
app_file: app.py
pinned: false
license: mit
short_description: AI MIDI generation with two transformer models
tags:
  - midi
  - music-generation
  - audio
  - cpu

Multitrack MIDI Composer

AI-powered MIDI music generation with two transformer models to choose from.

Models

Multitrack Generator (Genre-based)

• Genre-based multi-instrument composition
• Uses juancopi81/lmd-8bars-2048-epochs40_v4 transformer
• Builds music instrument by instrument
• Supports: ROCK, POP, JAZZ, ELECTRONIC, R&B/SOUL

SkyTNT MIDI Model (Instrument-based)

• Uses skytnt/midi-model via ONNX (CPU optimized)
• Select specific instruments and drum kits
• Event-based generation with fine-grained control
• Supports all General MIDI instruments

Features

• Pure Python audio synthesis (py-meltysynth)
• In-browser audio playback
• MIDI file export
• Piano roll visualization
• CPU-only (no GPU needed)

Requirements

• CPU-only deployment
• ~500MB model downloads on first use
• ~6MB SoundFont file included

Credits

• Multitrack Generator: Dr. Tristan Behrens
• SkyTNT Model: skytnt/midi-model