Thorvaldsdottir STREAMING ARHYTHMIA

Anna Thorvaldsdottir

STREAMING ARHYTHMIA for chamber orchestra (2007)

Chester Music

Instrumentation

Composer’s Note

Bass Flute Bass Clarinet in B R Contrabassoon

When you see a long sustained pitch, think of it as a fragile flower that you need to carry in your hands and walk the distance on a thin rope without dropping it or falling. It is a way of measuring time and noticing the tiny changes that happen as you walk further along the same thin rope. Absolute tranquility with the necessary amount of concentration needed to perform the task.

Anna

Percussion (2 players each with 2 bows): Left: Bell plates or almglĂścken Vibraphone Cymbal 2 ‘dark’ unpitched metal objects Wooden object 2 dark Woodblocks Snare Drum 2 large Tom-toms Bass Drum Large Tam-tam Right: Marimba Cymbal 2 ‘dark’ unpitched metal objects Wooden object 2 dark Woodblocks Snare Drum 2 large Tom-toms Bass Drum Large Tam-tam

Performance Note Stage Setting The following shows where each performer should be stationed. Performers need not be excessively spread out on stage. The stage setting is designed to present the internally written stereo effect in the music.

Perc. Right

Perc. Left B. Fl. Cb. Left Vlc. Left Vla. Left Vln. Left

B. Cl.

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Cb. Right Vlc. Right Vla. Right Vln. Right

Loops

2 Violins 2 Violas 2 Violoncellos 2 Contrabasses

The circulating material towards the end of the piece, starting in the bass flute in m. 148, is referred to as ‘loops’ for lack of a better term. Dynamics written in loops, are written in the form x/y : play x the first round, then randomly choose between x and y each time round. The ‘effect/sound’ loop material that finishes the piece is unpitched, soft and percussive, and low in dynamic.

Duration: c. 14 minutes

Notation

The score is in C. Bass Clarinet is written at pitch.

General

Orchestral parts are available on hire from the publisher.

When pitches are sustained/slurred through an extended period of time, breathe/bow as necessary, not synchronised.

Former effect/sound/technique/indication gradually becomes the following one.

A small notehead above the stave indicates the note’s duration as reference during glissandos or other effects. This is applied for quarter note and a half note with stems only).

Strings

Woodwind Wind/air sounds, for example with ‘cover mouthpiece’ or ‘whisper tones’, otherwise ordinary wind effect. When indicated with ‘windy tones’ play wind with slight pitch.

For flute and clarinet: ‘pizz.’ tongue slap and key clicks, and/or only clicks when indicated. For bassoon: tap on side of instrument or on keys.

For flute only: play high pitch, always written with very short duration.

For clarinet and bassoon: play lowest possible pitch, always written with very short duration.

Percussion Staff system

No vibrato unless otherwise indicated. l. bow pr. l. finger pr. m. bow pr. m. finger pr. c.l. w. b. h.

light bow pressure, resulting in a windy tone. light finger pressure, resulting in an unconcentrated tone. much bow pressure, bow very slowly resulting in a hectic, squeaky tone. much finger pressure, press fingers firmly on string col legno with bow hairs

Place left hand (not only one finger) lightly on indicated string, around given pitch area, not on harmonic. Fingers are not to be placed on exact pitches. This produces an un-pitched airy sound. The upper notehead indicates the airy technique, the small notehead below indicates the open string on which the technique is to be played. When the note head is indicated with a glissando, move hand up or down the string as indicated (this will produce various harmonic colors to the airy sound as hand glissandos over the string(s)), for example: Col legno

Vibraphone and Marimba take separate staves.

Notation and graphics The specific pitches for bell plates (almglĂścken) are indicated above the note: C, E, F. -bell -center -edge

For cymbal or gongs: the central part of the instrument.

For cymbal or gongs: half-way between the edge and bell.

For tam-tam: the center of the instrument.

Edge of the instrument.

Play with mallet on side of instrument.

DDDDr

Circular strokes

Bow pressure for cymbal and tam-tam: Light bow pressure (l. bow pr.), the instrument does not resonate, resulting in a windy sound very low in dynamic. Much bow pressure (m. bow pr), hold the instrument and bow slowly with much pressure, resulting in hectic sounding squeaks, not a constant sound.

Sticks Drum stick

Regular hard mallet

Large soft bass drum mallet

: Bow + Hands

Place hand/fingers very high on fingerboard (just off the fingerboard when written with a +) and cover the indicated string. The result is an unpitched or semipitched attack. Bow and finger pressure is indicated above the staff. When marked -frog- hit string with the bow at the frog (al tallone) and stop bow immediately, resulting in a squeaky sound. When marked with -tip- play off the string (alla punta).

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