He also sang background and some lead vocals for the band.
James Taylor composed the title track, and also sings background for it on the album.
The brothers sing background on the original version.
Ironically, Bobby's brothers sing background with him on the remaining tracks.
(see above), where he sang background and wiggled in a "snake dance" along with the music.
They caught the attention of gospel singer Marvin Sapp who was looking for a singing group to sing background on his tour in 2000.
Tamar started singing background for her sister, Toni, at age 11.
At the time, Tony stated once, he was happy with just singing background and playing guitar, claiming he was rather shy.
Richardson sang background on "Running Bear", but the recording wasn't released until September 1959, after his death.
He also sang background and played keyboard on many of the productions as well.