Turnarounds

for horn and tape

2008

Israel Neuman

The premises of Turnarounds are rooted in the perception of music as transformation of

energy. Potential energy is transformed to kinetic energy with the release of the first

statement and with other following events. The ratio between repetition and change

determines the efficiency of energy utilization. Change creates a forward motion; repetition

creates only the illusion of motion.

Systematic organization of extended techniques, which are manipulated through various

matrix operations, forms the fundamental structure of the piece. Both the horn part and the

tape part are products of this system. The sound source of the tape is derived from audio

recordings of the horn’s extended techniques. In two sections of the piece the performer is

asked to choose a path within an array of musical choices presented to him in a cyclic

notation. These unpredictable repeated cycles are the inspiration for the title of the piece.

Turnarounds incorporates various levels of approximation mainly due to the choice of

material for the horn. While the tape part is fixed, the horn part allows some flexibility in its

performance, as long as important points of alignment are maintained. Those points of

alignment are marked in the score with vertical dashed lines. The tension created by this

approximation is a structural feature of the work.

The tape part is realized in four channels. During performance, an auxiliary monitor is

required for the display of the time code for the performer.

Notation

Performance notes appears inside the score. Below is frequently used notation.

Breath mark – approximately a quarter note

Slashed breath mark - approximately an eight note

Square fermata – hold or rest in duration of indicated seconds

Hand mutes:

Open

Stopped +

½ stopped

Gradual hand change/ hand glissando

with no pitch adjustment

Unusual glissandi

Contour gliss. use half-valve, smooth elongated glissando.

Irregular gliss. random flutter valves.

Written out gliss. use valves, as accurate as possible.

Fast gliss. when indicated, fast ascending glissando.

Tremolos:

regular tremoloalso used withfluttered tonguing

irregular tremoloalso used withrapid irregular tonguing (mix of double, triple and fluttered tonguing)

Trills:

normal trill

microtone trill –trill to the smallest possible interval, either above or below.

Others:

verbal commentary

tapping

air sound; kisses;

mouth piece siren-buzz a detached m.p. deep into the bell, for the marked duration, clip off away from bell.

increasing speed

decreasing speed

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