Listen to Symphony No. 4 in B-Flat Major, Op. 60: II. Adagio online. Symphony No. 4 in B-Flat Major, Op. 60: II. Adagio is an English language song and is sung by RSO Ljubljana and Anton Nanut. Symphony No. 4 in B-Flat Major, Op. 60: II. Adagio, from the album Classical Beethoven 2, was released in the year 2017. The duration of the song is 9:33. Download English songs online from JioSaavn.