In the trackhead, click on 
to exclude the track from playing back.
Click on 
to reactivate playback of the track.
If tracks and their contents are not to be played back, they can be deactivated.
In the trackhead, click on to exclude the track from playing back.
Click on to reactivate playback of the track.
You can activate/deactivate several tracks at the same time after marking the required tracks.
Activation and deactivation currently do not work during playback.
See also