The Roses Grove Band is returning to perform at the Sag Harbor Masonic Club. On Saturday, May 21, the band will bring the psychedelic melodies of the Grateful Dead to the Masonic Temple. The show starts at 8 p.m. tickets are available at the door or on line at masonicmusicseries.com. The Masonic Temple is above the Sag Harbor Whaling Museum, 200 Main Street, with plenty of parking in the rear.