Listen to Variations on a Theme by Haydn, Op. 56a "St. Anthony": I. Andante online. Variations on a Theme by Haydn, Op. 56a "St. Anthony": I. Andante is an English language song and is sung by Vienna Radio Symphony Orchestra and Milan Horvat. Variations on a Theme by Haydn, Op. 56a "St. Anthony": I. Andante, from the album 50 Classical Pieces to Help You Sleep, was released in the year 2015. The duration of the song is 2:06. Download English songs online from JioSaavn.