 The station also plays all 1980s music on weekends.The station switched from iHeartMedia, Inc.'s Hot AC format to mainstream AC in September 2014, following sister station WNDH's format change to Classic Hits.Prior to its rebranding in 1999, WDFM was of the AC Hot 30 format, and prior to that and back to its sign-on in 1985, the station played easy listening music.