From YouTube. Biographies of Naturally 7 ()内は声域Roderick Eldridge--1st TenorGarfield Buckley(C2 to F)--2nd TenorWarren Thomas(B1 to G4)--DrumsPolo Cummings(Bb1 to F4)--4th TenorRoger Thomas(C2 to C4)--1st BaritineDwight Stewart--2nd BaritoneArmand Hutton, Hops,(F0 to not so high)--BassRead Vocal By PoloMylist⇒ mylist/14325481