Sheet Music: ScoreThree impromobles : for piano / Michael Hannan.by Michael Hannan (2005)
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The "impromobile" is a concept I initially developed with my
piano work, Three Improvisatory Mobiles for piano (1981)
that was published in Jeff Pressing's anthology, Compositions for
Improvisers (La Trobe University Press, 1994). The idea of a
mobile in experimental music is a series of floating musical
fragments that can be played in any order, a musical equivalent
of Alexander Calder's moving sculptural forms. I extended this
idea to allow for the performer to improvise on the fragments,
taking the musical idea contained in each fragment as a motif for
development.
Three Impromobiles is a series of improvisatory mobiles conceived
in much the same way as my earlier work.
"Impromobile I"
This piece is a series of fragments composed using Messiaen's
"Second Mode of Limited Transposition", a scale that alternates
minor seconds and major seconds. It is intended that the
improviser would develop the fragments using only the eight notes
available in this particular transposition of the scale (C, D
flat, E flat, E, F sharp, G, A, B flat). Simultaneously combining
and developing the musical materials of two or more fragments is
another performance option.
"Impromobile II"
This piece consists of a series of four or five note chords each
of which has a common tone, D sharp (or E flat). The lowest tone
of all the chords is either a B natural, C natural or D flat (or
C sharp). It is thus possible to make a smooth transition from
any one chord to any other chord. The piece could be played
meditatively just as a chord progression. Alternatively the
chords could be used as the basis for improvising melodically:
that is, sounding a series of the chords and interpolating
melodic improvisations over them. Another possibility is for one
musician to play a chord sequence while another player (either of
a chordal or a single-line instrument) improvises over this
progression. The improvising musician would not necessarily know
what the chords were except through aural recognition.
"Impromobile III"
This piece is a mobile of pentatonic scales, each of which
includes the tones C and E. With these common tones it is
possible to improvise on a scale and then change to any other of
the scales with a relatively smooth transition. I had in mind a
kind of minimalist, trance-like approach in the improvisation,
although I do not wish to be prescriptive. The choice of C and E
as common tones is a
reference to Terry Riley's In C.
Three Impromobiles may be adapted for any other chordal
instrument, single-line instrument or any combination of chordal
and singleline instruments.
Published by: Wirripang [979 0 720151 50 2] — 1 score (4p. -- A4 (landscape))
Includes programme notes.
Typeset edition.
ISMN: 979 0 720151 50 2
Related products
This work is also available in the following products:
Score: Piano music. Volume I / Michael Hannan.
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