: Alleluia (1982) :
for 7+1 japanese gong and grand-piano action (1 performer)
dur. var., ca. 10' / 1st. perf.: Ferrara 1982 Video 1990| Video 1994 | Video 2012

mario bertoncini - alleluia

Here, the piano is used - it could be said - in a metaphorical sense. In fact, the sound is produced by eight Japanese gongs placed horizontally above the mechanism of a grand piano and conditioned by the very fast execution of polyrhythmic figures whose percussive "pianistic" precision and the variable angle of incidence of the hammers produced
by rotation generate, thanks to the resonance of the gongs, an incessant and
iridescent flow of sound tones.

See also: La vita di un opera

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