To gauge professional and public reaction, Phillips took several acetates of the session to DJ Dewey Phillips (no relation) of Memphis radio station WHBQ's "Red, Hot and Blue" show. "That's All Right" subsequently received its first play on July 8, 1954. A week later, Sun had received some 6,000 advanced orders for "That's All Right" / "Blue Moon of Kentucky," which was released on July 19, 1954. From August 18 through December 8, "Blue Moon of Kentucky" was consistently higher on the charts, and then both sides began to chart across the South.