docs: def _get_selectable(self):
          '''
          Used internally to get a group of choosable tracks.
          '''
          # Save some typing
          cursong = self.loop[self.song][0]
          
          if self.dif_song and len(cursong) > 1:
              # Position is relative to the intro of the track,
              # so we we will get the both the intro and body.
              s = cursong[0] + cursong[1]
          else:
              # Position is relative to the body of the track, so just get that.
              s = cursong[-1]
          # Return what we found
          return s