Placebo, Calvin Harris, Bloc Party and Mika are the latest names to be added to the 2009 iTunes LIVE: London Festival. Their shows will be respectively held July 14, 18, 20 and 31.

Taking place through the month of July at London's 3,300-capacity Roundhouse, the festival will also feature Oasis, Simple Minds, Ferdinand, Snow Patrol and Kasabian, amongst others.

Tickets are free and can be applied for via Apple's iTunes Facebook page (www.ituneslive.co.uk).

All performances will be recorded and available to purchase exclusively on all 22 iTunes Music Stores worldwide. Select performances will be broadcast on U.K. television and radio channels ITV2, ITV1, XFM, Capital Radio and Choice FM.

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