Haven't seen this particular idea done before after a bit of clicking through, so I'll present it.
Click on your playlist and set it to shuffle. The first three songs to play/in your queue are the songs the user below you will rank.
Ex:
Song 1 Name and/or URL
Song 2 Name and/or URL
Song 3 Name...
I badly damaged one of my fingers tryin to kill a centipede with a shoe (I hit it at the wrong angle ) and now I have been reduced to using an Xbox 360 to type with.