Matthew taped an episode of “Hoppus on Music” today (August 2) at Fuse Studios in NYC.More hereAnd later in the evening he performed an acoustic session at the Grammy Camp Open Mic Night at Rubber Tracks Converse Studios, in Williamsburg (NYC).More hereMatt performed Summer Rain, Hey and Somewhere Over The Rainbow, and answered questions about how to start in showbusiness, how to keep your passion for performing, and who are his musical heroes. Exclusive pictures will be added to the Grammy Camp album soon!