Grace Potter and the Nocturnals, Bloc Party and the Last Town Chorus' Megan Hickey tell Billboard their reasons for performing at SXSW, plus live footage of Pete Townshend playing "Quadrophenia" from

Grace Potter and the Nocturnals, Bloc Party and the Last Town Chorus' Megan Hickey tell Billboard their reasons for performing at SXSW, plus live footage of Pete Townshend playing "Quadrophenia" from Austin.