A thematic concert will be presented by Sikkil Gurucharan at Narada Gana Sabha, Alwarpet today evening. The compositions of V. Ramaswami, former secretary and president of The Carnatic Music Association of North America (CMANA) will be presented. The chief guest is P. Rajagopalan, founder of CMANA. At T. T. K. Road, Alwarpet, 7 p.m.