Listen to Douze études in A-Flat Major, Op. 25: No. 1 "Aeolian Harp" online. Douze études in A-Flat Major, Op. 25: No. 1 "Aeolian Harp" is an English language song and is sung by Giovanni Umberto Battel. Douze études in A-Flat Major, Op. 25: No. 1 "Aeolian Harp", from the album Classical Music for Relaxation, was released in the year 2017. The duration of the song is 2:28. Download English songs online from JioSaavn.