Listen to Serenade for String Orchestra in C Major, Op. 48: III. Elegia online. Serenade for String Orchestra in C Major, Op. 48: III. Elegia is an Instrumental language song and is sung by Evgeny Svetlanov and Ussr State Symphony Orchestra. Serenade for String Orchestra in C Major, Op. 48: III. Elegia, from the album Tchaikovsky: Symphony No. 2 & Serenade for String Orchestra, was released in the year 2007. The duration of the song is 10:01. Download Instrumental songs online from JioSaavn.