Ircle controls iTunes is a set of AppleScripts that will let you launch iTunes, start playing songs, change volume and more all without lifting your hands from the keyboard.
/play - will start playing a song in the current library in iTunes /song - will display only to you what song is currently playing /psong - will broadcast to the current channel what song is currently playing /next - will switch to the next song in iTunes, and display to you what the new song is /pause - will pause the current song in iTunes /stop - will stop playing whatever song is playing in iTunes /vl - will set the volume in iTunes to 10 (out of 100) /vm - sets iTunes volume to 50 /vh - sets iTunes volume to 90 /vd - will lower the iTunes volume by 10 /vu - will raise the iTunes volume by 10.