Buddy Guy's Legends features live blues seven nights a week in their South Loop club. Shows are $10 Sundays through Thursdays, but they've got an offer on Facebook that will get you in for free. You can also save half on Friday and Saturday's $20 cover with the same coupon. Just visit the Buddy Guy's Legends page on Facebook and click on Get Offer.
Get a full night of live music with their free jazz on Sundays. Every week from 5pm to 8pm they host their Sunday Night Jazz Party. When they come around at 8pm to collect the ten bucks for that night's blues, just show them your offer!