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Edgar GuzmĂĄn

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amplified bassoon and electronics

Commissioned by the International Contemporary Ensemble


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Edgar Guzmán 1981 email: manzuge@yahoo.com.mx

(2008) The piece is constructed over bassoon's lower B flat, represented by a combination of lines and dots in proportional notation this way: 1) continuos line meaning a continuos sound 2) a combination of continuos lines of different sizes representing a combination of sound and silence 3) a dot represents staccato; a dotted line means a series of faster staccatos (as faster as possible) 4) waving line represents variations in the speed of the air, increasing and decreasing from the ordinary air speed (represented with a thin dotted line) necessary to produce the lower B flat. This is to produce small fluctuations within the low B flat and/or between overtones whenever these are indicated:: 3 the number points the highest harmonic to be involved according to the harmonic scale:

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2(nd): octave; 3(rd): fifth and an octave; etc. This fluctuation between harmonics is to be performed ad libitum but subtle and kind of blurred. If harmonics are asked for over a continuos straight line, the harmonic indicated must be kept stable and clear.

0'59"999"'

0'00"

Tape's waveform

Bassoon

The purpose of tape's first minute is to create uncertainty. This uncertainty is intended to arise with the perfomer deceiving the audience acting like if this first minute it's not part of the piece but an audio equipment problem instead. So look at the audio technician like waiting for something to be fixed, do littlle noises with the bassoon's keys, wet the reed, or just stand there without any reaction of any kind, anything you would normally do in a real technical problem situation (in case of using pitched sound, use any but the B flat in any register). After the first performance by Rebekah Heller on October 29th 2008 in New York, the introduction must never be the same, so increase or decrease the amount of silence, change the order of appearance of the first minute sounds, modify waveform envelopes, create a new introduction from the original one each time, exploring the uncertainty.

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NOT TOO FRENETIC IMPROVISATION

in case this fingering doesn't work use any " multiphonic in which the most noticeable pitch ! " is part of B flat first five harmonics # Ⓜ ─ (multiphonic) # This fingering was taken from Alexander " # Ouzounoff's book "Actuellement le bassoon" # "


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VERY FRENETIC IMPROVISATION

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