An underappreciated soul vocalist with a gritty, church-reared voice, P.P. Arnold has been at the fore and in the background of pop hits spanning several decades. She emerged in the '60s as a back-up singer for Ike & Tina Turner and soon found solo success in England with a string of singles, starting with the Top 20 hit "The First Cut Is the Deepest" (1967). After concurrent and subsequent background work with the likes of Small Faces and Nick Drake, and a stint as an actor, she experienced a revival in the mid-'80s and into the early half of the next decade, supporting hits ...