Amplitude : for solo percussion & pre-recorded electronics
by Peter McNamara (2013)
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Library shelf no. 786.8/MCN 2 [Not for loan]
Amplitude for vibraphone, tam tam and pre-recorded electronics was originally written in conjunction with composer-percussionist Brad Gill and first performed by Claire Edwardes. It is entirely based on the physical-acoustic properties of various pre-recorded tam tam sounds that form the basis of the work's electronic component. These are predominantly bowed tam tam sounds where various pitches of the instrument emerge and are amplified by bowing and dampening in various positions.
The electronic component is also metaphorically amplified by the live component of the work. Each tam tam sound used is subjected to acoustic analysis with the partials present in each forming the basis of the pitch material used in the vibraphone. This pitch material is also used to create synthetic sounds that closely imitate the original tam tam sounds. These components combined work together to synthesise new tone colours.
Instrumentation: Vibraphone and tam tam (1 performer), with pre-recorded electronics (recorded onto a stereo CD).
Duration: 12 min.
Difficulty: Advanced — Challenging coordination between the electronics and across a number of instruments etc.
Commission note: Commissioned by Brad Gill.
Resonate article: Insight: Freedom within the prism by Peter McNamara
- In the form/style of: Spectral music
Performances of this work
30 Sep 2015: at Sideband: Trails in the Sky (The Old Darlington School).
26 Mar 2015: at Sideband #2 (Music Workshop, Sydney Conservatorium of Music).
27 Nov 2014: at Sideband (Music Workshop, Sydney Conservatorium of Music).
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