OpenGameArt.org
Carnival of Strangeness (Looping)
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"Carnival of Strangeness (Looping)" by Eric Matyas licensed CC-BY 3.0: https://opengameart.org/content/carnival-of-strangeness-looping Author's attribution notice: 100% free to use with attribution. Please attribute as: "Carnival of Strangeness" by Eric Matyas www.soundimage.org
Where to put it: Game credits or video description. If the entry has a "Copyright/Attribution Notice", follow that.