Listen to Beethoven: String Quartet No. 13 in B-Flat Major, Op. 130: 5. Cavatina. Adagio molto espressivo online. Beethoven: String Quartet No. 13 in B-Flat Major, Op. 130: 5. Cavatina. Adagio molto espressivo is an Unknown language song and is sung by Danish String Quartet. Beethoven: String Quartet No. 13 in B-Flat Major, Op. 130: 5. Cavatina. Adagio molto espressivo, from the album Classical Weekend: Beethoven, was released in the year 2021. The duration of the song is 7:49. Download Unknown songs online from JioSaavn.