Q: Think of a famous Broadway musical in two words. Change one letter in it to the preceding letter of the alphabet — so B would become A, C would become B, etc. Remove the space so you have a solid word. The result will name something that all of us are part of. What is it?I've never taken an acting or singing class so I'm probably not much help.
Edit: My hint was "class"
A: MAMMA MIA! --> MAMMALIA