If you need an auto-accompaniment tool without the price tag, these free programs are the top-rated choices for 2026:
A complete professional DAW that is free for Windows. While not an "auto-accompaniment" tool by default, it includes powerful MIDI tools and virtual instruments for building tracks. bandin a box free version top
A sophisticated, 100% free alternative that can import Band-in-a-Box songs and use thousands of Yamaha style files available online. If you need an auto-accompaniment tool without the