After a long day and even longer week, how lovely to encounter this on the Red Line’s Lake stop this evening. And thanks to my trusty iPhone, I could share it with you all. Stop, take a moment and listen:
(And yes, I gave him a dollar. Five of them, even.)
Chicago Theatre Addict 
Wow! Best subway artist ever! And glad you gave him some dollars. I read the other day if a street musician makes you stop and listen, you owe him a dollar.