The four surviving members of an iconic Phoenix-spawned rock band are returning to their roots on their first album in 52 years. Here's their story.

At Delmark” includes standards such as Junior Wells’ “Messin’ With the Kid” and unexpected tunes like Neil Young’s “Heart of Gold” and AC/DC’s “Riff Raff” — all instrumental and all on piano.

Have you ever heard of a million-dollar idea… that was literally just a rock? We sat down with the team behind "A rock's ...