Given her command of the spotlight (for reasons both personal and professional) in the '90s and early aughts, it's no surprise that Sinéad O'Connor influenced artists who started out or came of age in that era. Ferocious alt-rockers like Alanis Morissette and PJ Harvey tapped into her divine rage; pop dynamos like Miley Cyrus and Tegan and Sara maintained her legacy as prodigiously talented misfits.