Listen to Eroica Variations in E-Flat Major, Op. 35: Variation 15 online. Eroica Variations in E-Flat Major, Op. 35: Variation 15 is an English language song and is sung by Michael Korstick. Eroica Variations in E-Flat Major, Op. 35: Variation 15, from the album Beethoven, L. Van: Piano Sonata No. 15, "Pastoral" / 6 Variations, Op. 34 / Eroica Variations, was released in the year 2009. The duration of the song is 6:38. Download English songs online from JioSaavn.