Karlheinz Essl

Portrait KHE

Sequitur X

for trombone and live-electronics
2010

Dedicated to Mike Svoboda



Score | Software | Videos | Performances | Reviews

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Sequitur X premiered by Mike Svoboda (trombone) and Karlheinz Essl (live-electronics)
ZKM_Kubus Karlsruhe (D) on 27 Nov 2010


About

deutsch

Seit 2008 arbeitet Karlheinz Essl an dem 14-teiligen Zyklus „Sequitur“ für unterschiedlichste Soloinstrumente und Live-Elektronik, der an die berühmten „Sequenze“ von Luciano Berio anknüpft. Hatte dieser einst prototypische Solostücke geschaffen, in denen die jeweiligen Instrumente mit all ihren klanglichen Finessen virtuos in Szene gesetzt werden, so geht es Essl um die Erweiterung dieses Ansatzes unter Einbeziehung der Live-Elektronik: Ein penibel auskomponierter und live gespielter Solopart wird via Mikrophon in ein eigens dafür geschaffenes Computerprogramm eingespeist, das daraus in Echtzeit einen elektronisches Klang-Environment generiert. Diese „Begleitung“ wird ausschließlich vom Input des Soloinstruments bestimmt, das mit sich selbst in vielfache Beziehung tritt. Wie in einem Spiegelkabinett lösen sich die ursprünglichen Identitäten auf und erzeugen ein komplexes Beziehungsgefüge, das einen tranceartigen Sog ausübt.

Sequitur X wurde für den Posaunisten Mike Svoboda geschrieben und ist ihm gewidmet.


english

Sequitur is a series of compositions for various solo instruments and live-electronics which I started in 2008. Somehow it can be seen as a reference to Berio’s famous “Sequenze” cycle of solo pieces which focus on specific playing techniques of the respective instrument. Up to now I have finished more than a dozen pieces including orchestral instruments like flute and violin, but also for voice and more exotic ones such as electric guitar, toy piano and kalimba.

All Sequitur compositions use a software written in MaxMSP which creates an electronic accompaniment from the instrument’s live input; the player is confronted with his own playing, and this creates a situation like moving in a house of mirrors where the identities becomes blurred. Each piece can be performed by the player alone who just has to press a key on the computer keyboard whenever this is indicated in the score. The software generates a complex canon on the fly, the temporal structure and density of which being controlled by random operations. This yields different results every time the piece is performed. Although following a precisely notated score, there is always a good portion of surprise for the musician which emphasizes his awareness and attentiveness.


Score

The score of Sequitur X can be downloaded for free. Please note that the music is protected by copyright.


Videos

Mike Svoboda and Karlheinz Essl performing Sequitur X
ZKM Karlsruhe, 27 Nov 2010


Evan Spacht and Matt Barbier performing Sequitur X
Thayer Hall Los Angeles, 4 Apr 2012



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Updated: 11 Mar 2017