/albums
/albums/a

/artwork
/artwork/GUID

/mediametadata

/playlists

/play
/play/GUID-track
/play/GUID-album
/play/GUID-playlist

/playrate
/playrate/pause
/playrate/play
/playrate/stop

/queue
/queue/track

/sound
/sound/1
/sound/2

/tracks
/tracks/GUID-track
/tracks/GUID-album
/tracks/GUID-playlist

/unknownalbums

/volume
/volume/up
/volume/down
/volume/mute
/volume/unmute
/volume/10
/volume/40
/volume/fred