I posted this in the "how much music do you listen to..." thread, but it's better here. I searched and it was posted in this thread in 07 also, but I'm sure many don't know about it. It adjusts your top artist charts based on time spent listening versus number of tracks, to balance out artists with long tracks and those with short tracks. Show previous rank, new rank, etc.
My "
normalized" top 20 artists: