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Duetto
Duetto is an AI music generator that plays a second piano part in real time alongside a MIDI keyboard performance.
Duetto is an AI application that pairs with a human piano player to create real-time musical duets using a MIDI keyboard. The software listens to the player's key, chords, pulse, and phrases, playing accompaniment or taking the melody during rests. It uses the pretrained Anticipatory Music Transformer model, which runs either on a Jetson device or locally on a Linux laptop using CUDA, Apple Silicon, or CPU. The system features a piano roll interface with adjustable controls for musical density, harmony, dialogue, tempo, and instrument sound via FluidSynth. It is designed for musicians, students, and hobbyists interested in interactive AI music generation.
Duetto at a glance
Key features
- Real-time musical accompaniment and soloing
- Adaptation to player key, chords, and tempo
- Piano roll interface with controls for density and harmony
- Support for virtual MIDI keyboards
- Instrument sound, volume, and reverb configuration via FluidSynth
- Presets for duet, call and response, and comping
Use it for
- Playing piano duets with an AI partner in real time
- Generating automated piano accompaniment for improvisation
- Practicing scale and rhythm control with interactive feedback
Alternatives to Duetto
- Udio — Generate customized songs across multiple genres from simple text prompts.
- Magenta — Builds and plays AI musical instruments with open models and real-time neural synthesis.
- Suno — Full songs with vocals from one prompt, plus a multitrack studio
- YuE — Editable symbolic composition plans and zero-shot covers.
- Beatoven — Generates unique soundtracks and sound effects instantly using text prompts.
- Blokkily — Pattern-first DAW with synchronized tracker, piano roll, step views, and MCP control
- MuseGen — It generates complete radio-ready songs with vocals and editable stems in seconds.
- Loudly — Integrated workflow from initial generation to final distribution.
- Remusic — Generate full-length AI songs, customize covers with 10,000+ voices, and remove vocals.
- Tonefold — Generate full multi-layer songs from text descriptions and edit every note directly.
- Applio — Runs locally with open-source code and no telemetry.
- Google Flow Music — Direct music videos and vibe-code new instruments with generative AI.
All Duetto alternatives