Thanks for playing, yeah I have 0 art talent usually rely on paid assets to compensate for that. Was my first time making music too so it could definitely use some work. Normally I use stuff I bought for the same reason :P
Viewing post in The Lost Relic jam comments
For the music you can go to https://freemusicarchive.org/
It let search by usage license so you can get free music, for some things as this one.