Choose the part.
Start with the layer your piece needs: drums, bass, piano, guitar, pads, melody, or arpeggios.
AI MIDI & stem generator
Create a piano phrase, bass groove, or another instrument stem using your own chord progression, key, time signature, and tempo. Describe the style and feel in a prompt, then export both WAV audio and editable MIDI.
Trained on recordings we commission from paid musicians, with their explicit permission for AI training.
Try Plus free for one month.Two easy-to-follow companion books included when you sign up.
No payment card needed. Continue on Free afterward unless you choose to subscribe.



Hear Music Agent
Hear a jazz piano part and see how it was made in this 85-second walkthrough.
85-second walkthrough · Opens a YouTube player
The workflow
Start with the layer your piece needs: drums, bass, piano, guitar, pads, melody, or arpeggios.
Use your own chord progression, key, time signature, and tempo. Add a prompt describing the style and feel you want.
Compare takes and refine the idea that belongs in your composition.
Export your chosen stem as both WAV audio and editable MIDI, then keep building the arrangement in your DAW.
MIDI + WAV exports
Export each stem as both a WAV audio file and editable MIDI. Bring the rendered sound into your arrangement, or keep shaping the MIDI performance with your own instruments.
Keep the feel. Shape the notes.
MIDI includes human-curated pedaling and control changes (CC), alongside expressive timing and velocities. Change the notes, voicing, or instrument in your DAW.
Bring the sound into your session.
Use the performance you auditioned and build around it with your other tracks. Choose 48 kHz, or download the 44.1 kHz version once it is ready.
Two companion books · included with signup
Learn to compose and arrange through short lessons, listening examples, and prompts you can try in Music Agent. One musical choice at a time. No score-reading needed to get started.

Book 01
Start with a tune you know.
Choose piano or guitar, add drums and bass, and put the parts together in your music app. Follow each step through to a finished listening copy.

Book 02
Explore what comes next.
Try new chords, sounds, and melodies. Shape your backing, give your piece a beginning and ending, and develop your own musical ideas.
Both books are included when you sign up. To follow the projects, use Music Agent and a music app that can arrange audio on separate tracks.
Try Plus free for one month.
Start your free Plus trialNo payment card needed. Continue on Free afterward unless you choose to subscribe.