Listen to String Quartet No. 1 in F Major, Op. 18 No. 1: II. Adagio affettuoso ed appassionato online. String Quartet No. 1 in F Major, Op. 18 No. 1: II. Adagio affettuoso ed appassionato is an Unknown language song and is sung by Juilliard String Quartet. String Quartet No. 1 in F Major, Op. 18 No. 1: II. Adagio affettuoso ed appassionato, from the album Beethoven: The Early String Quartets, Nos. 1-6, was released in the year 2009. The duration of the song is 9:54. Download Unknown songs online from JioSaavn.