To select a track, click on its title.
To add a track to the selection (or to remove it from the selection), hold the
key and click the track's title.
To select a range of tracks, click on the title at one end of the range, then hold the
key and click on the title at the other end of the range.
To select all tracks, click anywhere in the track list, then select “Select All” in the “Edit” menu.
To deselect all tracks, press “esc”, or click anywhere in the track list but on a title.
To select a track, click on its title, not on its duration or bpm.
To play or switch to a track, double-click on its title.