(undated) -- Smokey Robinson, Dr. Dre and John Legend talk about the legacy of Motown Records in a new trailer for an upcoming Showtime documentary. The documentary Hitsville: The Making of Motown premieres August 24th on Showtime. Hitsville is the first Motown documentary to feature the participation of the label's founder, Berry Gordy, and chronicles Motown's golden era from its founding in Detroit in 1958 to its relocation to Los Angeles in the early 70s. An official Hitsville soundtrack album is also available to pre-order.