Fambrough was the last surviving original member of the iconic R&B group, whose hits included "It's a Shame," "Could It Be I'm Falling in Love" and "The Rubberband Man."

Barrett Strong was one of Motown's most gifted songwriters who collaborated with Norman Whitfield on such classics as "I Heard It Through the Grapevine," "War" and "Papa Was a Rollin' Stone."

Dozier died at 81. As part of the songwriting team Holland-Dozier-Holland, he co-wrote dozens of hits, including "Baby Love," "Heat Wave" and "Reflections," helping to define the Motown sound.

Motown-era buildings near the museum have been transformed into Hitsville NEXT, which will be home to camps, workshops, master classes and community events.

The Supremes was Motown's most successful group in the 1960s, reaching 12 No. 1 hits. The cause of her death has not yet been released.