In 1970, Williams made a television appearance on a variety show, Just Friends, which reunited regulars of The Smothers Brothers Comedy Hour. For both Handmade and Sharepickers, Mason received two more Grammy nominations for 'Best Album Cover Design'.Together with Nancy Ames, he wrote ' Cinderella Rockefella', a 1968 number one hit for Esther and Abi Ofarim in the United Kingdom. He also wrote songs for The Kingston Trio. It sold over one million copies, and was awarded a gold disc. 'Classical Gas' won three Grammys that year for 'Best Instrumental (theme) Composition', 'Best Instrumental (theme) Performance', and 'Best Instrumental Orchestra Arrangement', Mike Post, arranger. : 200 'Classical Gas' was released as a single from The Mason Williams Phonograph Record in 1968.
In 1968, Williams won three Grammy Awards for his guitar instrumental ' Classical Gas'. JSTOR ( August 2022) ( Learn how and when to remove this template message).Contentious material about living persons that is unsourced or poorly sourced must be removed immediately from the article and its talk page, especially if potentially libelous. This section of a biography of a living person needs additional citations for verification.
