OpenGameArt.org
Shifting Sands of Ma-Kali
Credit line
"Shifting Sands of Ma-Kali" by Hitctrl licensed CC-BY 3.0: https://opengameart.org/content/shifting-sands-of-ma-kali Author's attribution notice: HitCtrl
Where to put it: Game credits or video description. If the entry has a "Copyright/Attribution Notice", follow that.