Well, four Lous actually, and a Lew thrown in for good measure.
"Love Is A Hurting Thing" - Lou Rawls
"Understand Each Other" - Lou Ragland
"She's Not Mama's Little Girl Anymore" - Lou Roberts
"Why Must Our Eyes Always Be Turned Backwards" - Lou Bond
"Come On With It" - Lew Kirton
And here is another Lou attempting, less successfully, to do the soul thing.