Jam Track

Backing-track builder

Write a chart like a real lead sheet — drop chords over the bars, pick a style and a tempo, and the band plays it back on a loop. Perfect for jamming, soloing, or ear-training over changes.

Standards — load a ready-made backing track

Public-domain tunes across jazz, bluegrass, blues, folk, gospel & Latin — loading one sets the key, tempo, style and changes. Change the Key to play it anywhere. Then just hit Play.

Chords — drag a chip up onto a bar

In this key
Sevenths

The chart — 4/4

Drop a chord onto any beat — it plays until the next chord or the end of the bar · tap a chord on the chart to remove it.

Your charts — save & open

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