If you don’t ask the music artist’s if you can use use their music, and they have a copy right, you can get in trouble, but if the copy right law is up, you can not get in trouble. Music is connected to the world, and the world might want to use the music but can’t. Podcasts are made when you ask to use someones music. Podcasts stared up in 2004, and Adam Curry started the podcast.
https://podcasts.apple.com/us/podcast/my-boyfriend/id564787048?i=1000121476111