Between their kids albums, the handful of fact-based songs from their regular rock records, and a reputation for being generally cerebral, They Might Be Giants are often categorized as a band that makes music with the intention of teaching the listener something about the world. But is that abiding impression based on anything more than a small sliver of their output? Schoolteacher and superfan Greg Simpson (of This Might Be A Podcast) joins co-hosts Jon Uleis and John Walker for an open-book oral quiz comprised of one simple question: What have we learned from TMBG?

Also, what have we learned from e-mail? (9secreteps@gmail.com)