The new webservice Yamelo (beta) has collected all the hits from the past and nicely grouped it. You can for instance discover all top hits from 1991 and listen to it directly. This is a little nifty service that very cleverly uses the Youtube API to create something new. Another gap was filled.
Via TheNextWeb, http://thenextweb.org/2008/02/24/yamelo-takes-you-on-a-music-trip-down-memory-lane/
