Glum Frogs agitating again.
If we are supposed to guess this, it’s Spring Awakening.
Oklahoma!
Sound of Music
Yep 
Mailroom clerk endures long days without parsley or sage but still makes it to the top.
How to Succeed in Business Without Really Trying
Yep.
I can’t recall if this one has been done, yet, but if so, an alternate take:
***Prince having trouble finding his way in life is somewhat dull, but hey, Fosse*!**
Pippin
Well done!
Industrial Engineering
The Pajama Game
Immigrant moves to America, immediately works to overthrow government.
It’s not easy being green.
Let’s bury dead nuns.
Animal Hamlet.
Bookworm spurns villager, falls for local nobility.
StG
>Immigrant moves to America, immediately works to overthrow government.
Across the Universe?
>It’s not easy being green.
Muppet movie?
Little shop? 
>Bookworm spurns villager, falls for local nobility.
I was going to say, Prince trades books for makeover
The Lion King and Beauty and the Beast.
If the ‘let’s bury dead nuns’ one is also a Disney animated movie, then I’ve really gotten out of touch with the New Disney…
Actually, “Animal Hamlet” is spot-on, and not a poor explanation at all.
Starving kids as labor agitators.
“Hey, I think a great career for my daughter is to be a stripper!”
Ugandans impatient with unannounced guests.
Broadway star breaks ankle.
Hippies convince newbie to get high.
Metal band, after much convincing, rescues [del]brother[/del] [del]bandmate[/del] [del]coworker[/del] brother, then fulfills prophecy.
Famous luchadore rescues stripper from Satan while luchadore’s sister kills nazis.
Did anyone answer this yet? I’m pretty sure it’s:
West Side Story
The second: ***42nd Street ***
The third: Hair
The first: I learned it by searching (and wouldn’t have guessed it–I hadn’t heard of it). Invisible Thread
Wrong on the first. The first is actually a huge hit that you have probably heard of, but I explained it pretty poorly.
Man wishes to move to an island with unreliable infrastructure, realizes Manhattan qualifies.
The Book of Mormon
An accountant’s adventures on his way to Rio
Yes