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Karlheinz Stockhausen - PROZESSION (1967)

PLEASE SUPPORT THE ARTIST. You can order this music on http://stockhausencds.com/. Thank you! Prozession (Procession), for tamtam, viola, electronium, piano, microphones, filters, and potentiometers (six performers), is a composition by Karlheinz Stockhausen, written in 1967. It is Number 23 in the catalogue of the composer’s works. Christoph Caskel, Joachim Krist, Péter Eötvös, Harald Bojé, Aloys Kontarsky, Karlheinz Stockhausen Conception Prozession is one of a series of works dating from the 1960s which Stockhausen designated as "process" compositions. These works in effect separate the "form" from the "content" by presenting the performers with a series of transformation signs which are to be applied to material that may vary considerably from one performance to the next. In Prozession, the performers choose material from specific earlier compositions by Stockhausen. In the subsequent companion works, Kurzwellen for six performers, Spiral for a soloist, Pole for two, and Expo for three, this material is to be drawn spontaneously during the performance from short-wave radio broadcasts (Kohl 1981, 192–93). The processes, indicated primarily by plus, minus, and equal signs, constitute the composition and, despite the unpredictability of the materials, these processes can be heard from one performance to another as being "the same" (Kohl 2010, 137). History Prozession was begun during a train journey to Basel in May 1967 (Gehlhaar 1998, 53) and was written for and dedicated to the ensemble with which Stockhausen was regularly touring at that time: Alfred Alings and Rolf Gehlhaar (tamtam with hand-held microphone), Johannes Fritsch (viola), Harald Bojé (electronium), and Aloys Kontarsky (piano). Two performers are required for the tamtam: The world premiere was given by this ensemble in Helsinki on 21 May 1967, with subsequent performances in Stockholm, Oslo, at the Bergen Festival, in Copenhagen, London, and finally on 26 August 1967 at the Darmstädter Ferienkurse. Three performances were recorded in Darmstadt a few days later, and one was chosen for release on disc (Stockhausen 1971, 102–103). Earlier recordings had been made for radio broadcast, during rehearsals at the WDR in Cologne, on 9 and 10 May 1967 (Gehlhaar 1998, 55). In addition to recordings, over the scourse of three years this same ensemble performed Prozession approximately twenty-eight times (Gehlhaar 1998, 62). Structure and technique Prozession consists of a sequence of 250 events in each of the four parts. There is no written score. Stockhausen explained that in pieces like this, "the first step is always that of imitating something and the next step is that of transforming what you're able to imitate" (Cott 1973, 33). The tamtam players choose material from Mikrophonie I, the viola from Gesang der Jünglinge, Kontakte, and Momente, the electronium from Telemusik, and the piano from the Klavierstücke I–XI and Kontakte (Stockhausen 1971, 103). Each plus, minus, or equal sign indicates that, upon repetition of an event, the performer is to increase, decrease, or maintain the same level in one of four musical dimensions (or "parameters"): overall duration of the event, number of internal subdivisions, dynamic level, or pitch register/range. It is up to the performer to decide which of these dimensions is to be affected, except that vertically stacked signs must be applied to different parameters (Stockhausen 1973, 1, 11, 21). Despite this indeterminacy, a large number of plus signs (for example) will result in successive events becoming longer, more finely subdivided, louder, and either higher or wider in range; a large number of minus signs will produce the reverse effect (Kohl 2010, 137). In this way, a continuing process of changes is controlled, and the work's title is taken from this concept at its core: German Prozeß = "process", Prozess-ion (Stockhausen 1971, 106), though of course it also means "procession" in the sense of a ceremonial parade or enfilade (Gehlhaar 1998, 55). Video created with Sonic Visualizer, vokoscreen and OpenShot on a Debian 10 Buster KDE Linux System.