!password <value> change your password to <value>)
!next playback the next track (only when a playlist is active)
!prev playback the previous track (only when a playlist is active)
!search <searchstring> search for tracks
!play <searchstring/uuid> playback a track by its id or search for a track and playback the first match
!queue <searchstring/uuid> enqueue a track by its id or search for a track and enqueue the first match
!queuenext <searchstring/uuid> prepend a track by its id or search for a track and prepend the first match to the queue
!stop stop playback
!playlist <playlistname> starts playing back the playlist <playlistname>
!stream <url> stream from <url>; this may be http-streams like shoutcast / icecast or just remote soundfiles
!yt <url> playback an <url> via external youtube-dl (if enabled); beware: the file will be downloaded first and played back afterwards, so there might be a slight delay before playback starts
!shuffle toggle shuffle
!repeat toggle repeat