[pf@eternity]:[~][0]% clementine --help
Usage: clementine [options] [URL(s)]

Player options:
  -p, --play                Start the playlist currently playing
  -t, --play-pause          Play if stopped, pause if playing
  -u, --pause               Pause playback
  -s, --stop                Stop playback
  -r, --previous            Skip backwards in playlist
  -f, --next                Skip forwards in playlist
  -v, --volume <value>      Set the volume to <value> percent
  --volume-up               Increase the volume by 4%
  --volume-down             Decrease the volume by 4%
  --seek-to <seconds>       Seek the currently playing track to an absolute position
  --seek-by <seconds>       Seek the currently playing track by a relative amount

Playlist options:
  -a, --append              Append files/URLs to the playlist
  -l, --load                Loads files/URLs, replacing current playlist
  -k, --play-track <n>      Play the <n>th track in the playlist

Other options:
  -o, --show-osd            Display the on-screen-display
  -y, --toggle-pretty-osd   Toggle visibility for the pretty on-screen-display
  -g, --language <lang>     Change the language
      --quiet               Equivalent to --log-levels *:1
      --verbose             Equivalent to --log-levels *:3
      --log-levels <levels> Comma separated list of class:level, level is 0-3
      --version             Print out version information