Singers line up at the Motown Museum in Detroit, Tuesday, Oct. 21, 2014 as the makers of "Motown the Musical" hold an open casting call at the hallowed ground for the legendary label. Auditions for the ongoing Broadway show and national tour are taking place in the former Studio A, where many Motown classics were recorded during the label's 1960s and early '70s heyday. The hit show about Berry Gordy tells the story of how his Motown Records empire rose and fell and then rose again. (AP Photo/Carlos Osorio)

Motown singer Jimmy Ruffin dies at 78

Jimmy Ruffin, the Motown singer whose hits include “What Becomes of the Brokenhearted” and “Hold on to My Love,” has died in Las Vegas at th…