When your parents were just gleams in your grandparents' eyes, Phoenix had few venues for popular music concerts. (This was also when pop encompassed just about every genre.) There was the Coliseum, Sun Devil Stadium, the original Compton Terrace (eventually), and, since 1963, Celebrity Theatre, which was — and still is — the classy hall with the rotating stage.
The legroom for the 2,650 seats is based on stumpy midcentury Arizonans, but no one's ever more than 70 feet away from the entertainment. Jerry Riopelle still plays the Celebrity every New Year's Eve, a tradition he started in 1974. And you never know what's up next (we also saw Michael Moore there in 2004 and KC & the Sunshine Band a bit before that), but at this point, it's safe to say it'll probably be retro or adult contemporary music, comedy, martial arts, or something on the urban side.