Listen to Symphonic Etudes, Op. posth. Variation 1 online. Symphonic Etudes, Op. posth. Variation 1 is an Instrumental language song and is sung by Dmitri Alexeev. Symphonic Etudes, Op. posth. Variation 1, from the album Dmitri Alexeev, Piano. Live at Small Hall of the Moscow Tchaikovsky Conservatory, September 24, 2012, was released in the year 2021. The duration of the song is 0:55. Download Instrumental songs online from JioSaavn.