Night on Bald Mountain 25 December 1858, has been interpreted as an indication of Mussorgsky's intent to write an opera on the subject of Gogol's short story "St. John's Eve" (, "Vecher nakanune Ivana Kupala", "St. John's Eve"). Gogol's tale contains the elements of witchcraft common to other stories in the "Evenings on a Farm near Dikanka" collection, but does not feature a witches' sabbath. No further plans for this project were mentioned. The theme of a witches' sabbath, the central theme in all subsequent "Night on Bald Mountain" projects, appears to have been derived from the nonextant play "The Witch" (, "Ved′ma") by
Ketzel, the Cat who Composed Ketzel, the Cat who Composed Ketzel, the Cat who Composed is a children's picture book by Lesléa Newman. Based on a true story, it is about the friendship between Moshe Cotel and a kitten, Ketzel, who composes a musical piece that Cotel enters into a music competition and receives a special mention. "BookList" gave "Ketzel" a star review, wrote "this delightfully told story is unlikely and adorable in equal parts. Bates' watercolor, gouache, and pencil illustrations feature an unanthropomorphic kitty whose inquisitive and quizzical nature will be familiar to all cat owners." and found it "An absolute charmer!" and the