It’s easy to understand why Santi White aka Santogold would be upset with critics for calling her music hip-hop or R&B, as anyone who’s listened to her latest single, “Lights Out,” would know. It’s a great new wave track that could’ve, nay, should’ve been one of the summer’s undersung hits. Then again, with a new season of “Gossip Girl” just around the corner, it might have the makings of a campus classic.