Listen to Belshazzar's Feast, Op. 51: II. Solitude online. Belshazzar's Feast, Op. 51: II. Solitude is an Instrumental language song and is sung by Leningrad Philharmonic Chamber Ensemble and Gennadi Rozhdestvensky. Belshazzar's Feast, Op. 51: II. Solitude, from the album Sibelius: Incidental Music, was released in the year 1966. The duration of the song is 3:37. Download Instrumental songs online from JioSaavn.