Listen to Beethoven: Symphony No. 4 in B-Flat Major, Op. 60 - II. Adagio online. Beethoven: Symphony No. 4 in B-Flat Major, Op. 60 - II. Adagio is an Unknown language song and is sung by Orchestre Révolutionnaire Et Romantique and John Eliot Gardiner. Beethoven: Symphony No. 4 in B-Flat Major, Op. 60 - II. Adagio, from the album Orchestral Beethoven, was released in the year 2020. The duration of the song is 9:24. Download Unknown songs online from JioSaavn.