Last Friday, Blur announced they would headline Belgium's Rock Werchter festival next July, and teased more live dates to come. They didn't keep us waiting long. According to a tweet from Primavera Sound festival, Blur have added two more gigs to the calendar: BLUR ( @blurofficial ) WILL PLAY AT PRIMAVERA SOUND 2013 #PS13 #OPS13 twitter.com/Primavera_Soun…— Primavera Sound (@Primavera_Sound) October ...