In case you missed IT previously, XM Radio is again airing IT - a complete history of rock and roll from the 40's to 2000. Except, they aren't doing that. They went back to the 20s this time, and have updated this to go all the way to today. So the 40's channel was playing 1920's through 1949, and when IT gets to the 90's on 9, they will air from 1990 through 2006.

Currently, IT is on the 50's on 5, airing 1951.