RATATAT, TV on the Radio, The Kills To Play 2015 Capitol Hill Block PartyWe finally know some of the performers who will be gracing the 2015 Capitol Hill Block Party stages. RATATAT, TV on the Radio and The Kills are the first three headlining bands announced.
Watch GRAMMY Artist Performances From Live On LettermanKaty Perry, Adele, Coldplay, Wilco and other 2012 Grammy nominees perform Live on Letterman.

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