Listen to Beethoven: Egmont Op. 84 Overture: Sostenuto, ma non troppo - Allegro online. Beethoven: Egmont Op. 84 Overture: Sostenuto, ma non troppo - Allegro is an English language song and is sung by The Royal Festival Orchestra and Conducted By William Bowles. Beethoven: Egmont Op. 84 Overture: Sostenuto, ma non troppo - Allegro, from the album The 50 Greatest Classical Music Pieces, was released in the year 2011. The duration of the song is 8:06. Download English songs online from JioSaavn.