The programming, which consists mostly of music aggregated by Last.fm's user-generated weekly music charts as well as live performances and interviews from the studios in New York City debuted on 5 October.
On 12 April 2010, announced that they would be removing the option to preview entire tracks, instead redirecting to sites such as the free Hype Machine and pay-to-listen Mog for this purpose.
In all other countries, listening to Radio will soon require a subscription of €3.00 per month." The change went into effect on 22 April 2009.
The announcement led to a wave of disappointment among the users, resulting in users stopping the submission of their data, refusing to change signatures/avatars and even deleting their accounts.
In late 2006, the site won Best Community Music Site at the BT Digital Music Awards in October.
Three months later, on , Techcrunch claimed that it was CBS, the parent company of Last.fm, that handed over the data.