On May 7, TBD, an all-male, professional-level contemporary a cappella group , offering high-energy performances of popular music using only the human voice, will be performing at the opening reception of "Art Uniting People at the Gallery@Convergence. TBD members all belong to the Alexandria Harmonizers, a world-renowned men’s chorus specializing in four-part close harmony which celebrated its 65th anniversary this year. In the top row are Scipio Garling, Noah Van Gilder, Kellen Hertz and Ben Roberts. In the middle are Jeremy Richardson, Josh Roots, Nick Leiserson, Terry Reynolds, Troy Hillier and Joshua Desportes. Bottom row includes Tom Kraus, director, David Hood and Todd Ryktarsyk.