OpenGameArt.org
A Small Fire Will Do (Calming Loop)
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"A Small Fire Will Do (Calming Loop)" by Trex0n licensed CC0: https://opengameart.org/content/a-small-fire-will-do-calming-loop Author's attribution notice: Credit would be appreciated (Cal McEachern) as well as a link to what you've created with my work.
Where to put it: Game credits or video description. If the entry has a "Copyright/Attribution Notice", follow that.