Happiness Runs (Pebble And The Man) was written by Donovan Leitch in 1967. A live version recorded by Donovan in 1967 was released on the 1968 album Donovan In Concert. A studio version recorded by Donovan in 1968 was released on his 1969 album Barabajagal. Mary Hopkin recorded the song in 1968. The recording features Donovan Leitch on guitar and Paul McCartney on bass. It was produced by Paul McCartney and was released on Mary Hopkin’s 1969 album Post Card.