"Cosmic dust"
Author: outer123
https://opengameart.org/content/cosmic-dust
License: CC0
Crystal caves
Author: outer123
https://opengameart.org/content/crystal-caves-0
License(s): CC0
"Orbit Oddyseey"
Author: DavidKBD
License: CC By 4.0 https://creativecommons.org/licenses/by/4.0/
https://davidkbd.itch.io/cosmic-journey-space-themed-music-pack
https://www.davidkbd.com
"Cosmic Journey"
Author: DavidKBD
License: CC By 4.0 https://creativecommons.org/licenses/by/4.0/
https://davidkbd.itch.io/cosmic-journey-space-themed-music-pack
https://www.davidkbd.com
Resultant license: CC-BY 4.0