The work of usually exuberant Baltimore rapper Dappa Dan Midas has lately taken an ugly, existential turn. Though the former battle rapper’s always displayed a mean streak—perhaps best seen in his recent tussle with A-Class—Midas’ M.O is usually playful humor mixed with unmatchable intensity. Joyful, pummeling tracks like “Push Start” off his Live From the Arcade EP and his role in Mania Music Group—as the equally furious but far less serious foil to Kane Mayfield, Ron G., and Milly July—show a rapper with a deep understanding of craft and the rare ability to entertain. Midas might sport a mohawk and rock an outfit that’s one part Urban Outfitters and one part Plato’s Closet thrift finds, but he’d absolutely murder any track handed over to him. In a city of rappers still dredging up references to The Wire for street credibility, Midas stands out for choosing skill and enthusiasm over mean-mugging…