The Contraption (2019) is a 5 movement piece for saxophone quartet. A sample library was used to render the audio for this video.
00:00 - I - Gears
02:34 - II - Pipes
05:04 - III - Bellows
08:56 - IV - Sparks
11:05 - V - Activation
Some brief program notes can be found here:
https://splunge.net.au/music/the-contraption/
Sheet music (score & parts) available for purchase from Murphy Music Press:
https://murphymusicpress.com/products/q-171