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Ennis Fruhauf
Prologue, Five Variations,
and
Finale
on
Veni Creator Spiritus
Ambrosian
plainchant melody for the Easter hymn
“Hic
est diesverus Dei”
and
source of the hymn tune for
“Komm, Gott Schöpfer, heiliger Geist”
Notes
Prologue, Five Variations, and Finale on the plainchant melody, Veni Creator Spiritus, is an extended composition for solo organ, written in a French post-Romantic manner. It was inspired by the breadth and harmonic language of Maurice Duruflé’s magnum opus for organ on the same chant tune.
The Prologue states the hymn in a boldly declamatory manner. In the first variation, the chant sounds as a pedal solo, accompanied on manuals by a harmonized hymn version of the same tune (“Komm, Gott Schopfer, heiliger Geist”); each phrase is separated by cadenza-like interpolations. The second variation presents the hymn tune soaring above animated rolling triplet figurations in a miniature toccata. The chant's cantus firmus migrates to the tenor register in the third variation for a richly harmonized appearance at a slowed tempo. In the fourth variation, the plainchant is elaborately orna-mented, recalling figurations from the Prologue: it is sounded in canon between soprano and alto voices and harmonized by lower voices, all as accompani-ment to a simultaneous cantus firmus statement in the pedal. In the fifth variation, Veni Creator Spiritus reappears as a tenor solo, accompanied by soprano and alto voices in lively duet and underpinned by pedal.
The Finale's brooding introduction gives way to a developmental presen-tation of the plainsong tune soaring above and below accompanying voices that move in constant triplet motion. As subsequent phrases appear and are interrupted by episodic interludes, intensity builds through to the last chant phrase, sounded in augmented note values. A bold coda is heralded by the return of ornamental figurations from the Prologue and fourth variation, spinning out the chant’s Amen in overlapping imitation; other brief motivic reminders from the first and second variations reemerge and lead to a strongly affirmative cadence.
Copyright © 2010 Ennis Fruhauf
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