OpenGameArt.org
KB - Through the High Mountain Path
Credit line
"KB - Through the High Mountain Path" by kbmsfx licensed OGA-BY 3.0: https://opengameart.org/content/kb-through-the-high-mountain-path Author's attribution notice: 2019/ Kirill Belooussov
Where to put it: Game credits or video description. If the entry has a "Copyright/Attribution Notice", follow that.