G. Bennett und J. Wildberger. Double harmonics and a mixture of firmly-fingered tones and harmonics. Otherwise there is also a traditional beauty in the tone, and expressive playing. This piece is a reaction to the Chilean military coup by Pinochet. Involves glissandi with glass stick and striking fingers on the soundboard.
Interference arises from clashing overtones.
Concerto per orchestra. Lyrical soprano b - a''. Woodwind is soundless. High natural harmonics in the lower strings.