Bonus Question: Week FIVE

I've never though the Vietnam War was something to wax poetic about, but they still managed to make a musical out of it.

Three part question (ten for each of the first two, twenty for #3)

1. What is the name of the musical?
2. What lands on the stage?
3. What instrument tells people to hold their loved one tight and dance like it's the last night of the world?