Having gotten his start as an arranger for the likes of Jack McDuff and Jimmy Witherspoon, J.J. Jackson proved himself to be a talented songwriter and deeply soulful singer by the mid-'60s, when he scored big hits with But It's Alright (what a groove!) and I Dig Girls . Those join Try Me; Let It Out; Boogaloo Baby; That Ain't Right , and seven more sought-after gems!