Listen to Pictures at an Exhibition: I. Gnomus online. Pictures at an Exhibition: I. Gnomus is an Instrumental language song and is sung by Valery Vishnevsky. Pictures at an Exhibition: I. Gnomus, 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 4:53. Download Instrumental songs online from JioSaavn.