Royalty Free Music
Epidemic Sound
Epidemic Sound is subscription based with varying priced models. "All videos, podcast episodes and/or any other types of content that have been published during an active subscription will stay cleared from receiving copyright claims forever!"
Pixabay Music
This is a royalty free site, however make sure you choose Pixabay images because there some some images that are offered by iStock that are paid to help support the free Pixabay. You may want those, but just be aware.
* I am an Affiliate for some of these companies and may receive a small commission if you purchase from these links. There is no cost to you.