You hear a song on the radio, and you want that specific song for the advertisement that you are developing. Or, you want to use the song in your YouTube video. So, you record it and start using it.  

Did you know that when you are using any music or song without a music licensing sync, you can get into serious trouble? This is just as good as stealing. Yes, you can use music or songs wherever, but only if you have purchased the right to use them. It is called a music license or a sync license for music. We are giving you all the information to make sure that you know everything there is to know about these licenses so that you don’t do something criminal again.

Source: https://scoutmusicdottv.blogspot.com/2022/10/music-licensing-sync-ins-and-outs.html