Listen to Fantasie in B Major, WoO 15A online. Fantasie in B Major, WoO 15A is an English language song and is sung by Tra Nguyen. Fantasie in B Major, WoO 15A, from the album Raff: Piano Works, was released in the year 2015. The duration of the song is 12:09. Download English songs online from JioSaavn.