Last Tuesday, Steve Jobs announced Apple has over 70% of the Digital Music Market, beating out all other competitors. The Itunes Music Store now has the Billboard top songs since the 40s available for download.
Pepsi is even getting in the action. Starting February 1st, some Pepsi will offer free songs on ITMS with the purchase of certain Pepsi bottles. Reportedly, 1 in 3 will win.
http://www.apple.com/quicktime/qtv/mwsf04/