Solo
If a track is set to solo it is heard along with all other tracks that are set to solo. If no tracks are set to solo then all non muted tracks are heard. If a track is set to solo and is also muted, the mute setting is ignored.
Left clicking or pressing Enter toggles the solo setting of a track. If the Ctrl key is held down, the solo setting of tracks having the same port and channel as the clicked track will be toggled. Use this to solo and unsolo all drum tracks with a single Ctrl click.
Ctrl right clicking solos and unsolos all tracks.
Tip: Pressing S toggles the solo setting for the current track.