Motown founder Berry Gordy, right, and Detroit Councilmember Martha Reeves, a former Motown star, greet each other at the Motown alumni party at the Roostertail in Detroit, Friday, Nov. 20, 2009. Motown is celebrating its 50th anniversary this weekend, starting with the alumni party and continuing Saturday night with the black-tie Motown 50 Golden Gala.