The 25th remembrance day celebrations of mirudangam artiste Thanjavur Sri Upendran are scheduled on July 24 at Narada Gana Sabha. This is a day long event and features concerts and special tributes to the mridangam maestro. Highlights include vocal music by S. Saketharaman at 11.45 a.m., jugalbandhi at 4.15 p.m., and concert by Sanjay Subramaniam at 7.15 p.m. For details call 9677236906, 9840157920.