anchor: love.audio.stop
  Stops currently played sources.
  love.audio.stop()
  love.audio.stop( source )
  source Source The source on which to stop the playback.
  love.audio.stop( source1, source2, ... )
  source1 Source The first Source to stop.
  source2 Source The second Source to stop.
  ... Source Additional Sources to stop.
  love.audio.stop( sources )
  sources table A table containing a list of Sources to stop.