OpenGameArt.org
Lighthouse Arcade at Sunset
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"Lighthouse Arcade at Sunset" by cagibi licensed CC-BY-SA 4.0: https://opengameart.org/content/lighthouse-arcade-at-sunset Author's attribution notice: cagibi (cagibi.itch.io)
Where to put it: Game credits or video description. If the entry has a "Copyright/Attribution Notice", follow that.