Want to make happy birthday song for youtube

Things are changing fast and there could be some good tools now to make such music that is safe for youtube. Is there a way to make happy birthday song with the old familiar melody which falls under general license and won't be a problem for youtube. What should be my method of creating this? I don't want something that is spectacular, but need something that sounds familiar and isn't annoying. I tried Udio and another ai tool (