The concert hall is a large gray building with a treble clef on the front.
It has blue walls and purple seats in the audience row. There is also a performance stage with a purple curtain.
Role in episode
Squidward is supposed to go here for an audition. However, since he did not sleep right for three days and slept in, SpongeBob and Patrick go inside Squidward's body so they can help him make the audition.