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
Two Songs to be sung of a summer night on the water songs and other works by Delius with choral music by Arnold Bax. Two Songs to be sung of a summer night on the water Two Songs to be sung of a summer night on the water, Op. 91, were composed by Frederick Delius in 1917. He set the wordless works for choir a cappella. The songs were published in 1920 and first performed in 1921. Delius composed the songs at Grez-sur-Loing in 1917. He set them for six-part choir, SATTBB, without words, but vocalises on the syllable "uh". The first song is marked "slow but not dragging", the other which