Weezer have recorded classic Christmas tunes for the iPhone game 'Tap Tap Revenge,' including 'Oh Holy Night.' Rivers Cuomo also announced an upcoming 'Odds and Ends' record, and he recently penned a song with Disney pop duo Aly & AJ.

George Michael is also set to release a Christmas song, 'December Song (I Dreamed of Christmas),' which will be available as a free download on his website on Christmas day.

Nada Surf's previously unreleased B-side, 'No Quick Fix,' can be currently be downloaded.

Madonna's worldwide 'Sticky and Sweet' tour will be the top-grossing tour ever by a female or solo artist, grossing about $282 million.