Tom Petty Does Not Back Down, Starts Cashing Royalties From Sam Smith By Notable Life By Notable LifeView Author|January 26, 2015|CelebritiesView Celebrities Tom Petty will not back down. He's so resilient, in fact, that he's convinced British pop star Sam Smith to pay him royalties over similarities between the iconic 1989 hit 'I Won't Back Down' and Smith's three-time Grammy-nominated 'Stay With... View this article.