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You can't use these songs- they are copywrite and you have no claim to fair use with them. As per the rules you'll need to provide proof that you have permission to use them.

"Content released commercially is not considered acceptable to include without explicit permission from the original author. Submissions will require a list of all pre-made or licensed content and a link to a license for each item"

Hmmm... if it gets taken down/disqualified from the gamejam I'll upload a new (less fun) version with royalty free music. I do not have monetization set up and do not plan to set it up on this account. Thanks for the heads up for the future.