Neo Bechstein demonstration from 1933 “it is heard through the medium of a loud-speaker” (I love how she pronounces loud-speaker!).
p. 75 Wave Train by David Behrman
Wave Train (1966) by David Behrman performed by Yoni Niv (Musica Nova) and Ronald Boersen (special guest). See also: Sound in a Jar by Ronald Boersen.
p. 69 A Letter from Schoenberg by Peter Ablinger
A Letter from Schoenberg (1996) by Peter Ablinger.
Listen first to the version without text:
And listen now to the version with text added:
p. 66 frequencies (a / friction) by Nicolas Bernier
frequencies (a / friction) (2015) by Nicolas Bernier
p. 65 Apparat by Hermann von Helmholtz
David Pantalony plays on the 19th century Apparat zur künstlichen Zusammensetzung der Vocalklänge invented by Hermann von Helmholtz and built by Rudolph Koenig. This device was used to do research on the synthesis of vocal sounds.