OpenGameArt.org
Deliberate Concealment
Credit line
"Deliberate Concealment" by northivanastan licensed CC0: https://opengameart.org/content/deliberate-concealment Author's attribution notice: MIDI "Deliberate Concealment" by Ivan Stanton (northivanastan).
Where to put it: Game credits or video description. If the entry has a "Copyright/Attribution Notice", follow that.