Listen to Allegro Appassionato In G, Op 92 online. Allegro Appassionato In G, Op 92 is an English language song and is sung by Sviatoslav Richter. Allegro Appassionato In G, Op 92, from the album Quasi Adagio, was released in the year 2008. The duration of the song is 15:52. Download English songs online from JioSaavn.