Listen to Piano Sonata, Op. 26: 4. Fugue online. Piano Sonata, Op. 26: 4. Fugue is an Instrumental language song and is sung by Van Cliburn. Piano Sonata, Op. 26: 4. Fugue, from the album Van Cliburn, Piano. Complete Recordings from the First International Tchaikovsky Competition, 1958, was released in the year 2018. The duration of the song is 4:36. Download Instrumental songs online from JioSaavn.