GLADYS KNIGHT & JESSICA SIMPSON
WHITNEY HOUSTON
MARIAH CAREY & LUTHER VANDROSS
JESSICA SIMPSON
BLONDIE & JOSS STONE
CHRISTINA AGUILERA
ARETHA FRANKLIN, CELION DION, MARIAH CAREY & CAROLE KING
BEYONCE
GARTH BROOKS
RAY CHARLES, JERRY LEE LEWIS & FATS DOMINO