Question: Songs for A Very Potter Senior Year were written by American actor, singer, and songwriter known for the founding which musical theater company based in Chicago?
Sentence (from "A Very Potter Senior Year"): A Very Potter Senior Year (often shortened to AVPSY) is a musical written by Matt Lang, Nick Lang, and Brian Holden with songs by Clark Baxtresser, Pierce Siebers, A. J. Holmes, and additional songs by Darren Criss.
Relevant evidence: Yes