ATHENS —The Knights, one of the nation’s newest chamber orchestras, will perform at 8 p.m. Monday, April 16 in Hodgson Concert Hall at The UGA Performing Arts Center. Based in New York, The Knights offer diverse programming, innovative formats and a unique atmosphere of camaraderie. The 40-member orchestra has quickly made a name for itself in its five-year span, performing critically acclaimed concerts in settings as diverse as Carnegie Hall and Le Poisson Rouge, the multimedia art cabaret in Greenwich Village.