Rock legend Steven Tyler and country queen Carrie Underwood to sing a duet? No, you’re not crazy, you heard right. American Idol season 4 winner Underwood will be on Aerosmith’s new album Music from Another Dimension in a duet with Tyler. The Idol judge and alum winner shared the stage in 2011 at the CMAs and literally rocked it with their duet of Underwood’s “Undo It.” Harnessing the power of Carrie’s country appeal might not be so crazy after all.