The answers to these riddles are places, people, or things in University of Maryland. To make the riddles fair for everyone, consult these resources: Campus map, Stamp map.
Name this place where it is a 4.0 in terms of its letter grade, boring is something that it ain't, half of it is a place where music is made, and it holds underground paint.
I used to be your Aunt, I was half of the name Annabelle, but how? But I'm a different food in Stamp, who am I now?
Hints will be added later if these are too tough.