Night on Bald Mountain work until 1866, by which time he was planning the orchestral tone poem "St. John's Eve on Bald Mountain" (see below). No trace of a work for piano and orchestra has survived outside Rimsky-Korsakov's recollections, so it is assumed that the score has been lost, or, more likely, that it never existed. In 1866 Mussorgsky wrote to Balakirev expressing a desire to discuss his plans for "The Witches", his informal name for his "Bald Mountain" music. In early June 1867, he began composing the orchestral version of the piece. The score is inscribed with the following details: Conceived in 1866.
Night on Bald Mountain April 1890, at the [[Théâtre de la Monnaie]] in [[Brussels]]. The following program is printed in Rimsky-Korsakov's edition of "Night on Bald Mountain", published in 1886 by [[V. Bessel and Co.]]: Subterranean sounds of non-human voices. Appearance of the spirits of darkness, followed by that of Chernobog. Glorification of Chernobog and [[Black Mass|Black Service]]. Sabbath. At the height of the sabbath, the distant ringing of a village church bell is heard; it disperses the spirits of darkness. Morning. Recordings of Rimsky-Korsakov's revision are too numerous to catalog in this article. [[File:Leopold Stokowski LOC 26447u.jpg|upright|thumb|Leopold Stokowski]] Millions of 20th-century listeners owe