Scissor Sisters, Ozzy Osbourne and Tony Bennett have been confirmed for the iTunes Festival 2010 in London in July.

The free month-long event, which launched in 2007, will return to the 3,000-capacity London Roundhouse and feature 62 bands over 31 days.

Tickets are free and fans enter for a chance to win via iTunes U.K.'s Facebook page.

Each performance will be recorded and sold exclusively on all 23 iTunes Stores worldwide. ITV will broadcast a selection of the Roundhouse performances.