VocalSymplosium Events Open to the Public Saturday, 2:30-4:00, Take 6 conducts a Master Class at the Orpheum (Free, thanks to the sponsorship of NARAS) Saturday, 7:30pm, Take 6 presents a Mainstage Concert at the Orpheum, with DeltaCappella opening. Tickets to the concert can be obtained by calling the Orpheum Box Office at 901-525-3000 or online at www.ticketmaster.com. Sunday, 2:30-3:00, Dr. Cedric Dent presents "The History of Black Music" at the National Civil Rights Museum (Free with paid admission to the museum)