Smokey Robinson's silvery voice and soulful demeanor have made him a genre-spanning icon with wide-reaching impact. Groups like The Beatles and Backstreet Boys have echoed the sweet harmonies laid down by Robinson's vocal outfit The Miracles; CeeLo Green has used his voice's upper register to add emotional depth to his songs; and R&B crooners like Gallant and Trey Songz have channeled his passion and ardor.