NEW YORK - 1962: R&B singer Marvin Gaye performs onstage at the Apollo Theater with female R&B vocal group 'Martha & The Vandellas' in 1962 in New York City, New York. (Photo by Michael Ochs Archives/Getty Images)
R&B singer Marvin Gaye performs at the Apollo Theatre with female R&B vocal group 'Martha and The Vandellas' in 1962 in New York City. (Photo by Michael Ochs Archives/Getty Images)

Celebrating Motown: 'I Heard it Through the Grapevine' turns 50