OpenGameArt.org
Partymaker (8-Bit)
Credit line
"Partymaker (8-Bit)" by Fato_Shadow_Music licensed CC-BY 3.0: https://opengameart.org/content/partymaker-8-bit Author's attribution notice: Give credits to - Fato Shadow
Where to put it: Game credits or video description. If the entry has a "Copyright/Attribution Notice", follow that.