Listen to Symphony No. 7 in A Major, Op. 92: I. Poco sostenuto - Vivace online. Symphony No. 7 in A Major, Op. 92: I. Poco sostenuto - Vivace is an English language song and is sung by Pittsburgh Symphony Orchestra. Symphony No. 7 in A Major, Op. 92: I. Poco sostenuto - Vivace, from the album Beethoven - The Finest Collection, was released in the year 2014. The duration of the song is 14:16. Download English songs online from JioSaavn.