Listen to Waltz No.11 In G Flat online. Waltz No.11 In G Flat is an English language song and is sung by City Festival Light Orchestra and Alain Darrout Conductor. Waltz No.11 In G Flat, from the album The Greatest Classical Hits Fifty Favourites, was released in the year 2010. The duration of the song is 1:51. Download English songs online from JioSaavn.