Listen to String Quartet No. 10 in E-Flat Major, Op. 51 "Slavonic": I. Allegro ma non troppo online. String Quartet No. 10 in E-Flat Major, Op. 51 "Slavonic": I. Allegro ma non troppo is an English language song and is sung by Britten Quartet. String Quartet No. 10 in E-Flat Major, Op. 51 "Slavonic": I. Allegro ma non troppo, from the album Studying Music for Focus & Concentration, was released in the year 2015. The duration of the song is 8:59. Download English songs online from JioSaavn.