Complementary notes: Natáčení hudby proběhlo v pražském elektronickém studiu (Mozarteum) v Jungmannově ulici během 13 měsíců v letech 1970-1971. [Music was recorded at the Electronic music studio (Mozarteum) in Jungmannova street, Prague, during 13 months in 1970-1971.] Premiéra se uskutečnila 25. ledna 1972 v Divadle hudby v Opletalově ulici, Praha. [It was first performed at the Theatre of Music in Opletalova street, Prague, 25 January 1972.]
Sounds (základní zvuky): Nordic pastoral wooden horn (severská dřevěná pastýřská trouba), cymbal and tam-tam (údery na činel a tam-tam), gas burner (plynový hořák), orchestra (orchestr), easter rattle (velikonoční řehtačka). [List of basic sounds mentioned in the liner notes and below referenced book]
Uncredited parts and complementary notes taken from the liner notes, booklet and Jaroslav Krček's autobiographical book (in Czech): Krček, Jaroslav: Odkud a kam (Vydavatelství ABM, 2011, ISBN 978-80-900610-5-7), p. 223–228. ——— Liner notes in Czech, includes a 11.5 square, 12-page booklet with short plot description in Czech. Barcode: 8 596981 083610 (Printed) Barcode: 8596981083610 Matrix / Runout: PE 2539 (Label A) Matrix / Runout: PE 2540 (Label B) Matrix / Runout: PE 2539/A 3 C (Runout A) Matrix / Runout: PE 2540/A 6 C (Runout B) Rights Society: OSA Rights Society: OSVU Other: 90 1 (Manufacturing date code) Other: G (Retail price code) Other: Kčs 36,- (Retail price)