This piece is produced entirely from a single sample :ambi_glass_rub built into Sonic Pi. From this a complete range of notes are generated by calculating the appropriate rates at which to play the sample, and then the piece, written by Mozart in 1791 for Benjamin Franklin's Glass Armonica is played.
The code is in a gist here
https://gist.github.com/rbnpi/abbb0a7880f355c12d0e

Glass Armonica

A dark atmospheric ambient soundscape produced using live coding app Sonic Pi.  Loosely inspired by data sonification techniques applied to radio emissions from 'outer space' – although no actual samples of such are used -  produced entirely with Sonic Pi's in-built samples & synths as it makes it easier to share the code (links below).

Check ou the video on youtube with hubble nebulae images & Sonic Pi code:
https://www.youtube.com/watch?v=5fwGHAdoaXA

The code used to produce the audio and video can be found in the following Gist:
https://gist.github.com/Nanomancer/c68e1beb384c9eb0cce8

Alternatively, find the most recent version here:
https://github.com/Nanomancer/sonic-pi-projects/blob/master/transmission.rb

Sonic Pi is available free for Linux/mac/windows here:
http://sonic-pi.net/

Sonic Pi Google group:
https://groups.google.com/forum/#!forum/sonic-pi

Transmission: Origin Unknown  (video link in description)

Retired Head of IT. Interested in Music coding. Sonic Pi, Music on Lego EV3! Violinist. LilyPond user
Like transcribing early music Dowland, Purcell for modern synths
Enjoy linking Maths and Music

Glass Armonica

rbnman

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