But there was still a separation. And when rock did start to appear on Broadway, it came in the form of new shows with new music written for them (Hair, Godspell), or material that already existed in "show" form, like Tommy, which was conceived as a rock opera from the start.
Once Abba came to Broadway, there was, it seems, no turning back; it was just a matter of time till Rock of Ages appeared. And just as theater geeks of the '70s took inspiration from the music of an earlier era — what we knew then as "show tunes" — the kids of a new TV show circa 2009 (not to mention American Idol and its cohorts) go back to what is, for them, a correspondingly early era, the '70s.
So pop music feeding the theater is a well-established thing by now, but it's still a bit of a shock, if a happy one, to see Journey, Whitesnake, and Amy Winehouse becoming show tune fodder. Back in the '80s, "oldies" radio stations played doo-wop. Now they play music from the '70s and '80s. The definition has changed. And the same has happened to the meaning of "show tunes." Musical eras are like waves on the beach, arriving one after another, each one crashing, then falling back into the sea to feed the next wave. Cowabunga, dude! And don't stop believing.








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