Listen to Variations on an Original Theme in D Major, Op. 21 No. 1 online. Variations on an Original Theme in D Major, Op. 21 No. 1 is an English language song and is sung by Studying Music and Study Music. Variations on an Original Theme in D Major, Op. 21 No. 1, from the album Perfect Training – Music for Study, Instrumental Sounds for Better Memory, Deep Focus, Development of Mind, Satie, Schubert, was released in the year 2017. The duration of the song is 2:38. Download English songs online from JioSaavn.