Sean Said:

Would you say he has every right to sue?

We Answered:

Yes, you can sue anyone for copyright infringements if the songwriter ask them not to use their music. Especially, in a ad that millions of people could see and hear.

If I was singing and playing someones song in my own band I would need to get permission from the music company that had the rights to the songwriters music.

If they were to find out I could get hit with fees for using it without an agreement There are such things as royalties to protect the artist work.