M83 at Webster Hall (11/14/08) Photo: Tim Griffin (more) Hey folks, add another one to the 2012 Summerstage schedule. Tickets for M83‘s Aug 8 show at the Rumsey Playfield go on Amex presale on Wednesday, January 18 at 12:00 PM EST, general on sale begins Friday, January 20 at 12:00 PM EST. M83 is also…