For those who are passionate about playing with auto accompaniment, here is some information about the realtime arranger nimbu.

nimbu is based on chord scales and designed for characteristic accompaniments.

Some highlights

- Comes with 2 synths and 100 styles
- Realtime chord recognition and transposing
- Graphical editor for all events with undo/redo
- Supports development from scratch with inheritance of basis rhythms
- 3 improvisation levels: title, scales, chords
- Imports YAMAHA styles
- Computes chord progressions and song related accompaniments from MIDI Files
- From these song related styles are created
- Exports YAMAHA styles
- Custom setup of instruments/devices including one touch presets
- Remote control of more than 100 switches/knobs via MIDI or touch screen
- Supports MCU and HUI on master keyboards
- Records auto accompaniment
- Records playing on keyboard
- Exports MIDI files
- Free trial edition

Styles and sounds included in nimbu are just examples to get started.

There is a big deal of freedom to play own accompaniments and styles and to integrate own sounds and sound modules.

https://www.nimbu.de/en/home.html

Klaus