Listen to String Quartet No. 13 in B-Flat Major, Op. 130: V. Cavatina. Adagio molto espressivo online. String Quartet No. 13 in B-Flat Major, Op. 130: V. Cavatina. Adagio molto espressivo is an Unknown language song and is sung by Narratio Quartet. String Quartet No. 13 in B-Flat Major, Op. 130: V. Cavatina. Adagio molto espressivo, from the album Beethoven: Late String Quartets, was released in the year 2025. The duration of the song is 5:56. Download Unknown songs online from JioSaavn.