Yours Truly and Adidas’ series Songs from Scratch has been the launch pad of many interesting and successful collaborations. The latest edition pairs Philadelphia producer extraordinaire Bauer with New York producer Dubbel Dutch Dutch for “Promises.” The track features the vocals of unlikely hitmaker Fetty Wap whose wobbly singsong raps meld together Bauer’s bass music with the more ethereal sounds of Dubbel Dutch.