Usher has delivered a trippy, slow-burning new tune, with assistance from super-producer Diplo. The loverman actually snuck the tune out, titled ‘Climax’ on Valentine’s Day, appropriately. Spin reports that it was co-written by Diplo, South Florida singer-songwriter Redd Stylez and Ariel Rechtshaid (who was the bassist for L.A. band Foreign Born and producer for Cass