Showboat
Oklahoma!
West Side Story
Company
Chicago
A Chorus Line
Hair
The Phantom of the Opera/Cats/Les Miserables (ushered in the synth-rock opera era, also noteworthy for concentrating on the show itself and not about who was in the cast, started the advertising movement where the logo was most important)
RENT
The Lion King/Beauty and the Beast
Wicked
I don't think these have been around long enough to determine that they've made an impact
Urinetown/Avenue Q/Spamalot - irreverent comedy bringing in non-theatre people
Spring Awakening - teen rock musical
You're reminding me of people you hear at the movies asking questions every ten seconds, "Who is that? Why is that guy walking down the street? Who's that lady coming up to him? Uh-oh, why did that car go by? Why is it so dark in this theater?" - FindingNamo on strummergirl
"If artists were machines, then I'm just a different kind of machine...I'd probably be a toaster. Actually, I'd be a toaster oven because they're more versatile. And I like making grilled cheese" -Regina Spektor
"That's, like, twelve shows! ...Or seven." -Crazy SA Fangirl
"They say that just being relaxed is the most important thing [in acting]. I take that to another level, I think kinda like yawning and...like being partially asleep onstage is also good, but whatever." - Sherie Rene Scott