OpenGameArt.org
HitCtrl - Searching Within (Ambient)
Credit line
"HitCtrl - Searching Within (Ambient)" by Hitctrl licensed CC-BY 3.0: https://opengameart.org/content/hitctrl-searching-within-ambient Author's attribution notice: HitCtrl
Where to put it: Game credits or video description. If the entry has a "Copyright/Attribution Notice", follow that.