This project plays chords. You can use it to accompany songs out of a song book (well, if you're sitting in front of a computer instead of behind a guitar, sort of...). Here's how: Press any bass key (c d e f g a b) on the keyboard to play the corresponding chord. Press up/down for sharp (#) or flat (b) keys. Press left/right or (m) to toggle between major and minor chords. Pressing (7) toggles an additional seventh. Mouse-clicking anywhere on the background replays the last chord. Click on the question mark for help.