The EDIT Menu

Edit menu commands:

Add Tracks Add a new music track or tracks to the projectplaylist.
Remove Track Remove the selected track from the projectplaylist.
Move Track UP Move the selected track up one place in the project listplaylist.
Move Track DOWN Move the selected track down one place in the project listplaylist.
Play Track Play the selected track.
Convert to Wave Convert the selected MP3 track to wave format and write it to disk.
Properties Display the properties of the selected track.

See: Editing Playlists, The Integrated WAV and MP3 Player, Converting MP3 Files to Wave Files