Music: "Cipher" by Kevin MacLeod (incompetech.com)
Source: https://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100844
Official MP3: https://incompetech.com/music/royalty-free/mp3-royaltyfree/Cipher2.mp3
Licensed under Creative Commons Attribution 3.0 Unported (CC BY 3.0).
https://creativecommons.org/licenses/by/3.0/
Changes: first 80 seconds excerpted, loudness adjusted, 2-second fade-in and 4-second fade-out.
Credit is included on the closing video screen. Retain it when posting the video; paste this credit into the upload description too.

License evidence:
https://incompetech.com/music/royalty-free/index.html?feels%5B%5D=Br&page=16
https://incompetech.com/wordpress/2011/07/not-sure-what-these-are/
https://web.incompetech.com/music/royalty-free/licenses/