This Roll20 API script allows control of the jukebox from the chat window.
##Jukebox controls: !jukebox - Presents a list of all jukebox controls
!jukebox play [song title] - Plays designated song
!jukebox stop [song title] - Stops a designated song
!jukebox fadein [song title] - Fades a designated song in
!jukebox fadeout [song title] - Fades a designated song out
!jukebox crossfade [song title] - Fades all playing songs out while fading designated song in
!jukebox stopall - Stops all playing music
!jukebox fadeallout - Fades all playing music out