Btw you might want to be careful because of the rules of newgrounds music
"Covers / Remixes
You may not upload a cover or remix of an unlicensed commercial song.
COVERS and REMIXES of existing songs are accepted if you have permission from the original artist or the original song is public domain. We can not accept covers of songs you've heard on the radio or anything else you don't have rights to. If the song is public domain or you have a license to cover it, please note these details in your author commentary to give clarity to the moderators."
Reply : Hmmm im also not sure if the song is copyrighted but for now you're good (thumbs up emoji)