Another discovery was a storefront on Madison between Wabash and State Streets that specializes in vinyl LP albums. This is particularly exciting given the fact that most people have given that medium up for dead long ago, (not audiophiles of course), not to mention the fact that independent storefront businesses in the Loop are few and very far between.
I haven't paid a visit into either establishment yet but I plan to very shortly. Maybe I'll even be inspired to fix my turntable.
Good news indeed.