I don’t want to put a jinx on her but after spending some time with Melanie Martinez, I’m convinced she’s got an extremely promising future as a recording artist. The 20 year old out of Baldwin, Long Island clearly has a creative vision for her music and whether it’s co-writing all the songs on her recently released debut Cry Baby (about half of which was produced by Kinetics and One Love) or directing her own videos, she’s driving the bus. We spoke backstage before her sold-out show at the Highline Ballroom (9-11-2015) on Friday night…