Eduardo Moguillansky
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  • Home
  • Projects
    • Bemessung #3
    • Resilienztraining
    • Jardin
    • luftzugtest
    • Moire
    • panorama
    • zaehmungen
    • bandskizzen
    • limites
    • stellung
    • cire perdue
    • 121
    • tempo giusto
    • in love
    • re equestri
    • el pulso de lo inmovil
    • bauauf
    • double
    • impedanz
  • About
  • Software

Limites

2006-08 | 8'
ensemble version: tr (solo), cl, vla / vln, vc, pf, amplification ad lib.
solo version: trumpet, amplification

ZOOM


In a brass instrument sound is created by the lips, the tubes are merely a resonator. Is it possible to make the vibration modes of the lips audible?

The instrument imposes a resistance: it will not resonate at every frequency. The player buzzes its lips, forcing them to oscillate between two modes. The result is a split tone: two discernible frequencies are generated within the instrument. A second strategy  is the use of a second trumpet. With one trumpet in each hand, both are activated by the same pair of lips. When a specific note is played in one trumpet, the overtone buzzed by the lips determines the possible vibration modes in the second trumpet. When one trumpet jumps to a higher overtone, the other trumpet is forced to jump. This limitation  determines the harmonic possibilities of the piece.

Constructed as a constant zoom. At each frame the sound reveals hidden details, while the regions at the edges are slowly deleted.

Limites exists in a version for trumpet and ensemble and a version for amplified trumpet

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  • SCORE SOLO VERSION