Listen to Sting Quartet in E Major, Op.74 "Harp": II. Adagio mo mon troppo online. Sting Quartet in E Major, Op.74 "Harp": II. Adagio mo mon troppo is an English language song and is sung by Vladimir Fedoseyev. Sting Quartet in E Major, Op.74 "Harp": II. Adagio mo mon troppo, from the album The Complete Masterworks of Ludwig Van Beethoven, Vol. 31, was released in the year 2012. The duration of the song is 8:59. Download English songs online from JioSaavn.