Listen to Symphony No. 26 in C Major on a Russian Theme, Op. 79: III. Adagio maestoso online. Symphony No. 26 in C Major on a Russian Theme, Op. 79: III. Adagio maestoso is an English language song and is sung by Moscow Radio Symphony Orchestra. Symphony No. 26 in C Major on a Russian Theme, Op. 79: III. Adagio maestoso, from the album Myaskovsky: Cello Concerto and Symphonies, was released in the year 2009. The duration of the song is 15:08. Download English songs online from JioSaavn.