Southbridge hip-hop artist Lo Gun of Main Aim — probably better known to most readers as chef Michael Arrastia of the Hangover Pub in Worcester — might have a higher local profile for his cooking than he does his music, but that doesn't mean it's a sideline. Indeed, judging by his recent mix tape, “The Shogun Tape” — available on Bandcamp — he's as daring and as innovative a rapper-producer as [...]