Control iTunes Using Hot Keys
SizzlingKeys for Mac OS X lets you control iTunes from the keyboard using global hot keys. You can pause the player, skip a track or rate a song by using simple customizable keystrokes. You can also search your iTunes Library or Playlists with a simple keystroke.



nice way to hear mp3. my way is scribbled here:
http://wiki.mobbing-gegner.de/Linux/Musik/Player/MyMusicBox