What’s That Sound? is Haley Reinhart's debut release for Concord Records. The album finds Reinhart digging into her rich musical heritage and reimagining some of rock-and-roll’s most legendary songs. The album features eleven renditions of classic songs from the 1960s, as well as three original tracks from Reinhart. A captivating vocalist who started singing in her parents’ rock band when she was just seven, Reinhart purposely homed in on songs originally released between 1966 and 1969.