Released on October 6, 1967 by Track Record, "Go Go Girl" was the final single issued by John's Children and is notable for featuring an A-side written by Marc Bolan after his departure from the group.Although Bolan had already left John's Children by the time of release, his influence remained significant. "Go Go Girl" was adapted from a Bolan composition that he would later revisit under the title "Mustang Ford" on Tyrannosaurus Rex's debut album My People Were Fair And Had