A hybrid recording studio where you generate or record a part and book virtual session players to play along in any style on any instrument
Focused feedback for MIDI piano practice
Stage
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
20 free minutes of music per day; credits and plans available after free tier
Free: $0/forever with 5 practice analyses per day. Plus: $9.99/month with 50 practice analyses per day. Pro: $19.99/month with 200 practice analyses per day.
Key features
Generate or record music parts
Live session players for bass, drums, keys, horns and more
Reshape players as they play
Support VST3 and Audio Unit plugins
Train and apply custom styles
Export to MP3, WAV, stems and MIDI
Edit chord charts
Record up to two minutes per track
Analyzes timing, note accuracy, note duration, dynamics, and early releases
Hand-specific performance feedback
Interactive score and keyboard
Practice history and progress tracking
AI spoken coaching
Personalized generated lessons
Works offline after initial setup
Native app for macOS, Linux, and iPad
Direct MIDI keyboard connection
What makes it different
Real-time generative session players that you control and reshape as they play
Full creative ownership and transparency in AI-assisted music
Built by musicians and researchers with deep audio expertise
Prioritizes the most important issue to work on next instead of overwhelming with all mistakes
One focused recommendation per practice attempt
Adapts to your performance rather than generic feedback
Built specifically for MIDI keyboards with note-level analysis