Listen to Symphony No. 25 in D-Flat Major, Op. 69: I. Adagio online. Symphony No. 25 in D-Flat Major, Op. 69: I. Adagio is an Instrumental language song and is sung by Evgeny Svetlanov and Ussr State Symphony Orchestra. Symphony No. 25 in D-Flat Major, Op. 69: I. Adagio, from the album ARSM II, Vol. 32. Myaskovsky, was released in the year 2017. The duration of the song is 16:02. Download Instrumental songs online from JioSaavn.