For one who has sacrificed most of her life to music, Lourdes de Leon Gregorio, the country’s pioneering harp player and once stellar accompanying artist on the piano, is getting an overdue gratitude concert, “Hommages,” on Nov. 26 at 6 p.m. at Manila Pianos, fourth floor of Ronac Lifestyle Center, Paseo de Magallanes, Makati City.