Ray Parker Jr. & Raydio was a prominent American R&B band that emerged in the late 1970s. Led by guitarist, songwriter, and producer Ray Parker Jr., the group was known for their blend of soulful vocals, catchy pop hooks, and danceable funk rhythms. They are perhaps best known for their hits "Jack and Jill" and "You Can't Change That." Despite their relatively short tenure, the band's fusion of pop and R&B laid the groundwork for Parker's later solo success, most notably with the theme song for the 1984 film "Ghostbusters."