Sam Phillips an impromptu session featuring the four musicians. Phillips challenged the four to achieve gold record sales, offering a free Cadillac to the first, which Carl Perkins won. The contest is commemorated in a song by the Drive-By Truckers. By the mid-1960s, Phillips rarely recorded. He built a satellite studio and opened radio stations, but the studio declined, and he sold Sun Records to Shelby Singleton in 1969. In 1977 Sam's sons, Knox and Jerry, were working with John Prine at the Phillips Recording Studio when Sam Phillips joined them to oversee recordings that were eventually included on the album "Pink
Phillips' Sound Recording Services with his eight-year-old daughter, Carol, singing, "Mr Sandman". All the discs had "Play with a light-weight pick-up" on the label, as this would increase the life of the disc, which would eventually wear out. Phillips advertised the studio as Phillips' Sound Recording Services (also advertised as P. F. Phillips' Professional Tape & Disc Recording Service), and his business cards read: "PF Phillips, 38 Kensington, Liverpool, 7. Television and Battery Service. Gramophone Record Dealer. Professional Tape and Disc Recording Studio." He started cutting discs for members of the public, as well as for actors from the Liverpool Playhouse, who often stayed