pre-echo (after empties)
for amplified string quartet and found objects

Composition Date: 2016
Duration: 00:21:00
Genre: Strings (bowed), Solo / Ensemble, Quartet (2 Violin / Viola / Cello)


Instrumentation Set Number 1:
  • 2 x Violin
  • 1 x Viola
  • 1 x Violoncello
Programme Note:
pre-echo (after empties) is an attempt at creating an instrumental transcription of an acousmatic work of mine, Empties-Impetus. The parent work’s source sounds are principally derived from string instruments and the work has a performance modality where it is partially diffused through the instruments of a string quartet with transducers. pre-echo (after empties), then, acts as a facsimile of the performance of instruments and objects in studio composition, realised in real-time with performers. Some of the other source material used in the acousmatic work re-appears as found objects to be performed by the quartet: buckets of earth with trowels, pencil and paper, duct tape, and a lamp. The interaction between instrumental performance and objects offers an occasion to consider the historical and semiotic weight of instruments-as-objects.

pre-echo (after empties) is dedicated to and was premiered by Quatuor Bozzini.

J. O'Callaghan

Premiere Information:
5 février 2016; The Woodend Barm, Banchory, Scotland; Quatuor Bozzini


  • Call Number:
  • MI 3134 O15pr
  • Genre:
  • Strings (bowed), Solo / Ensemble, Quartet (2 Violin / Viola / Cello)
  • Date of Acquisition:
  • May 9, 2017
  • Type:
  • Print-music, Published by CMC
  • Physical Description:
  • 1 partition (73 p.) ;
    73 Pages
    Height: 28 cm
    Width: 22 cm
    Parts page count: 43
  • Additional Information:
  • Pour Quatuor à cordes.
    En 2 mouvements.
    Tous les musiciens doivent être amplifiés à l'aide de 1 ou 2 microphones cardioïdes.
    Oeuvre déposée au CMC Québec.
    - - -
    For string quartet.
    In 2 movements.
    Each musician must be amplified using up to two cardioid condenser microphones.
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