Tracker
Play
Begins playing the song from the current pattern. Resumes normal play if the tracker was in step mode.
Play from start
Begins playing the song from the first pattern in the order.
Play at cursor
Begins playing the song from the cursor position.
Step row
Begins playing the song from the cursor position in step mode. Step mode plays a single row at a time.
Stop
Stops music playback.
Pattern repeat
Toggles pattern repeat mode. When pattern repeat mode is active, the tracker will loop playback of the current pattern. Pattern repeat can be toggled at any time.
Record
Toggles record mode. When record mode is active, pattern data can be edited.
Follow-mode
Toggles follow-mode. When follow-mode is active, the cursor row moves to the current row being played out.
Toggle channel output
Enables/Disables sound output for the cursor track.
Solo
Solos/Unsolos the cursor track. Solo'ing a track mutes all tracks except for the target track.
Reset volume
Resets the global volume scale to max on both terminals. The Jxy effect is persistent and is not reset when playing a new song. Use this action to reset it. See here for more details on the global volume scale.
Kill sound
Stops all sound output immediately. Differs from Stop in that sound stops immediately by not letting the playback buffer drain.