Expo
, for three performers with
shortwave radio receivers
and a sound projectionist, is a composition by
Karlheinz Stockhausen
, written in 1969?70. It is Number 31 in the catalogue of the composer's works.
Conception
[
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]
Expo
is the penultimate in a series of works dating from the late 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
Expo
and three companion works (
Kurzwellen
for six performers,
Spiral
for a soloist, and
Pole
for two), this material is to be drawn spontaneously during the performance from
short-wave
radio broadcasts.
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".
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.
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.
To the signs previously used in
Prozession
,
Kurzwellen
, and
Spiral
Stockhausen adds some new ones.
History
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]
In 1968 the West German World Fair Committee invited Stockhausen to collaborate on the German Pavilion at the
1970 World Fair
in
Osaka
, Japan. Other collaborators on the project included the pavilion's architect,
Fritz Bornemann
, Fritz Winckel, director of the Electronic Music Studio at the Technical University of Berlin, and engineer Max Mengeringhausen. The pavilion theme was "gardens of music", in keeping with which Bornemann intended "planting" the exhibition halls beneath a broad lawn, with a connected auditorium "sprouting" above ground. Initially, Bornemann conceived this auditorium in the form of an amphitheatre, with a central orchestra podium and surrounding audience space. In the summer of 1968, Stockhausen met with Bornemann and persuaded him to change this conception to a spherical space with the audience in the center, surrounded by loudspeaker groups in seven rings at different "latitudes" around the interior walls of the sphere.
In addition, Stockhausen would participate by presenting daily five-hour programs of his music.
Stockhausen's works were performed for 5½ hours every day over a period of 183 days to a total audience of about a million listeners.
Expo
was written, as the title indicates, for these performances and was composed in
Kurten
in December 1969 and January 1970, at that time under the working title of
Trio
.
Between 14 March and 14 September 1970,
Expo
was played and sung many times at the German Pavilion at Expo '70, in daily performances by twenty different musicians including the composer.
The English group Intermodulation (
Roger Smalley
,
Tim Souster
, Peter Britton, and Robin Thompson) performed it a number of times and made recordings for the radio.
Structure and technique
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]
Expo
is a more relaxed and cheerful piece than its companions, and features an unusual degree of synchronised gestures and canonic imitation.
It consists of a sequence of approximately 135 events, grouped into two large sections divided in the score by wavy barlines, each interrupted once by an insert lasting up to 2½ minutes. One of these inserts is slow, the other fast; both are characterised by a synchronised periodic beat. 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" .
Discography
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- Karlheinz Stockhausen:
Expo fur 3 (Integrale Version in zwei Fassungen)
.
Michael Vetter
(voice, recorder, and short-wave radio), Natascha Nikeprelevic (voice and short-wave radio), F. X. Randomiz (lap-top computer system, voice, and short-wave radio). Recorded 12 October 2013 at Sound Studio N, Cologne. CD recording, 1 disc: digital, 12 cm, stereo. Stockhausen Complete Edition CD 104. Kurten: Stockhausen-Verlag, 2014.
References
[
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]
Cited sources
[
edit
]
- Cott, Jonathan. 1973.
Stockhausen: Conversations with the Composer
. New York: Simon and Schuster.
ISBN
0-671-21495-0
.
- Follmer, Golo. 1996. "Osaka: Technik fur das Kugelauditorium." In
Musik..., verwandelt. Das Elektronische Studio der TU Berlin 1953?1995
, edited by Frank Gertich, Julia Gerlach, and Golo Follmer, 195?211. Hofheim: Wolke-Verlag.
ISBN
3-923997-68-X
.
- Kohl, Jerome
. 1981. "Serial and Non-Serial Techniques in the Music of Karlheinz Stockhausen from 1962?1968." Ph.D. diss. Seattle: University of Washington.
- Kohl, Jerome. 2010. "A Child of the Radio Age". In
Cut & Splice: Transmission
, edited by Daniela Cascella and Lucia Farinati, 135?139. London: Sound and Music.
ISBN
978-1-907378-03-4
.
- Kurtz, Michael. 1992.
Stockhausen: A Biography
. Translated by
Richard Toop
. London: Faber and Faber.
ISBN
0-571-14323-7
.
- Maconie, Robin
. 2005.
Other Planets: The Music of Karlheinz Stockhausen
. Lanham, Maryland, Toronto, Oxford: The Scarecrow Press.
ISBN
0-8108-5356-6
.
- Stockhausen, Karlheinz. 1973.
Nr 27 Spiral fur einen Solisten
. (score) UE 14957. Vienna: Universal Edition.
- Stockhausen, Karlheinz. 1978. "
Pole
fur 2 (1969?70) und
Expo
fur 3 (1969?70)". In his
Texte zur Musik
4, edited by
Christoph von Blumroder
, 152. DuMont Dokumente. Cologne: Verlag M. DuMont Schauberg.
ISBN
3-7701-0493-5
.
- Stockhausen, Karlheinz. 2009.
Kompositorische Grundlagen Neuer Musik: Sechs Seminare fur die Darmstadter Ferienkurse 1970
, edited by Imke Misch. Kurten: Stockhausen-Stiftung fur Musik.
ISBN
978-3-00-027313-1
.
- Worner, Karl Heinrich
[
de
]
. 1973.
Stockhausen: Life and Work
, translated by
Bill Hopkins
. Berkeley: University of California Press.
ISBN
9780520021433
Further reading
[
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]
- Frisius, Rudolf. 2008.
Karlheinz Stockhausen II: Die Werke 1950?1977; Gesprach mit Karlheinz Stockhausen, "Es geht aufwarts"
. Mainz, London, Berlin, Madrid, New York, Paris, Prague, Tokyo, Toronto: Schott Musik International.
ISBN
978-3-7957-0249-6
.
- Fritsch, Johannes
, and
Richard Toop
. 2008. "Versuch, eine Grenze zu uberschreiten ... Johannes Fritsch im Gesprach uber die Auffuhrungspraxis von Werken Karlheinz Stockhausens".
MusikTexte
[
de
]
no. 116 (February): 31?40.
- Hopp, Winrich. 1998.
Kurzwellen von Karlheinz Stockhausen: Konzeption und musikalische Poiesis
. Kolner Schriften zur neuen Musik 6. With CD recording. Mainz and New York: Schott.
ISBN
3-7957-1895-3
.
- Stockhausen, Karlheinz. 1971. "Ein Abend EXPO 70". In his
Texte zur Musik
3, edited by
Dieter Schnebel
, 229?231. DuMont Dokumente. Cologne: Verlag M. DuMont Schauberg.
ISBN
3-7701-0493-5
.
External links
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