Listen to Study in D by Fernando Sor, Flute obbligato) online. Study in D by Fernando Sor, Flute obbligato) is an English language song and is sung by Glen Larson. Study in D by Fernando Sor, Flute obbligato), from the album A Crucible of Hope, was released in the year 2010. The duration of the song is 3:35. Download English songs online from JioSaavn.