Listen to The Seasons, Op. 37a: X. October: Autumn Song online. The Seasons, Op. 37a: X. October: Autumn Song is an Instrumental language song and is sung by Valery Vishnevsky. The Seasons, Op. 37a: X. October: Autumn Song, from the album Tchaikovsky: The Seasons, Op. 37a - Mussorgsky: Pictures at an Exhibition, was released in the year 2017. The duration of the song is 4:43. Download Instrumental songs online from JioSaavn.