Four up-and-coming performers will take the stage at a free show hosted by BET Networks at SOB's on Varick Street at 8 p.m. Tuesday, March 12. Rapper SneakerBox Chock, singer and actor Rotimi, singer Lydia Caesar and singer Travis Garland will perform. Doors open at 7:30 p.m. and the show starts at 8 p.m. Attendees must be age 21 and older.