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 songs to impresario Larry Parnes, which started her son's singing career. The songs were released on DVD/CD in 2008.<ref name="25thAnniversaryDVD/CD"></ref> Johnny 'Guitar' Byrne (from Rory Storm and The Hurricanes) and singer Paul Murphy recorded a version of "Butterfly" and "She’s Got it" in the studio on 22 June 1957, and Byrne later played the recording to Harrison. On 12 July 1958, a local skiffle group, The Quarrymen (Lennon, McCartney, Harrison, Lowe and Hanton) visited Phillips' studio to record two songs, although the date has been disputed, as Lowe remembered that the recording was during cold weather (October or November, 1957)