This was written by Graham Gouldman, who later formed the band 10cc. Gouldman was a prolific songwriter who also came up with songs for The Hollies, Cher, The Shadows, and Herman's Hermits. For The Yardbirds, he provided three of their hits, also composing "Evil Hearted You
" and "For Your Love
." Yardbirds drummer Jim McCarty said in our 2010 interview
: "'Heart Full of Soul,' which was very moody, gave us the ability to play the riff in sort of an Eastern way, give it an Oriental touch. Another very good song."