JamShack
Soon

AI-powered improvisation

Play in the key everyone's already in.

JamShack's AI listens to every note in real time and turns music theory into a live compass for improvisers. The circle of fifths lights up the scale and chord tones that fit the moment, while musicians anywhere trade phrases with you as it happens. No lead sheet required.

Circle of fifths dial A rotating dial of the twelve keys arranged by fifths, each key shown in its own color, with a star tracing their chromatic relationships.
Twelve keys, twelve colors

In the room

Or all three of you, in one room.

Two MIDI controllers trading a groove, an upright piano and a mic carrying the melody — JamShack keeps time and key underneath all of it, whether the room is physical or a network away.

Illustration of two musicians playing MIDI keyboard controllers and a third at an upright piano singing into a microphone

The network

Every jam is a small network.

You, your scale, and whoever else is plugged in tonight — each on their own track, all locked to the same tempo and key, wherever they happen to be.

Diagram of musicians connected over a network jam session

What's coming

Four ideas, one shack.

Circle-of-Fifths Compass

✦ AI

A live dial that tracks the key center and lights up the scales, modes, and chord tones that work right now — so you can see the harmony instead of guessing at it.

Network Jam Rooms

Host or drop into a session over the network. Everyone keeps their own track, locked to the same tempo and key, so a jam can happen even when nobody's in the same room.

Improvisation Assist

✦ AI

Call-and-response prompts and phrase ideas that follow where the jam is heading, not a script it has to obey.

Music Theory Companion

✦ AI

Scales, chords, and ear-training folded into the practice itself — theory you pick up by playing, not by reading ahead of time.

Also on the way

  • MIDI hardware support, including ROLI LUMI Keys, mapped straight into a session.
  • Session recording with per-track playback, so a jam can be revisited part by part.
  • A web console for guiding or spectating a session live, without picking up an instrument.
  • Cross-platform — macOS and iOS, sharing the same session model.

Coming soon

We're tuning the last few strings — and teaching the AI to listen. JamShack is being built for anyone who'd rather learn a key by playing in it than by reading about it.