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NES chiptune "Slam-Funk"
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"NES chiptune "Slam-Funk"" by Haley Halcyon licensed CC-BY 4.0: https://opengameart.org/content/nes-chiptune-slam-funk Author's attribution notice: "Slam-Funk" composed and arranged by Haley Halcyon
Where to put it: Game credits or video description. If the entry has a "Copyright/Attribution Notice", follow that.