GeneralUser GS v1.44 http://www.schristiancollins.com
Sonatina Symphonic Orchestra http://sso.mattiaswestlund.net/
Creative Commons Sampling Plus 1.0 license.
Mattias Westlund additional samples http://mattiaswestlund.net/samples/
https://creativecommons.org/licenses/by-sa/3.0/
No Budget Orchestra https://github.com/ssj71/No-Budget-Orchestra
https://creativecommons.org/licenses/by-sa/4.0/
VSCO 2 Community Edition http://vis.versilstudios.net/vsco-2.html
CC0 1.0 Universal (CC0 1.0) Public Domain Dedication License
University of Iowa Electronic Music http://theremin.music.uiowa.edu/
Don Allen Timbres of Heaven http://midkar.com/soundfonts/
Deep Bass https://musical-artifacts.com/artifacts/135 based on Pasta Bass by Karofyer https://www.karoryfer.com/karoryfer-samples/wydawnictwa/pastabass
Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
stamperadam https://freesound.org/people/stamperadam/
Creative Commons 0
Philharmonia Orchestra http://www.philharmonia.co.uk/explore/make_music
Creative Commons Attribution-ShareAlike 3.0 Unported License
AVL Drumkits http://www.bandshed.net/avldrumkits/
https://creativecommons.org/licenses/by-sa/2.0/
Taiko http://schristiancollins.com/vi-percussion.php based on Free Taiko Drum Rack by subaqueousmusic.com https://subaqueousmusic.com/
Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)