rankin appeared on "the tonight show" with johnny carson more than twenty times. carson was so impressed by him that he wrote the liner notes to rankin's 1967 debut album "mind dusters," which featured the single "peaceful." rankin's friend helen reddy would reach #2 adult contemporary and #12 pop in 1973 with a cover of it, released as her follow-up single to "i am woman". georgie fame also had a hit with this song in 1969, his only songwriting credit to hit the british charts reaching number sixteen and spending 9 weeks on the chart.