From MusiCAD

MusiCAD will start playing your music when you hit <space> or button playstart. Hitting it once more will pause (button playpause. Hitting <esc> or playstop while playing will stop music and reset the cursor to the songs beginning.

During playback you may use the mixer to change instrumentation, volume, balance etc.

For speed-up or slow-down during playback you can use the shortcuts <+> and <->

Playing will be affected by various options set in the playback dialog

See also