Prime Rib, Steaks, and Fresh Seafood, in a Swanky, Jazz-Era Atmosphere with Live Jazz on Fridays & Saturdays. In the heart of downtown Chicago. Live Jazz in the best bar in Chicago at Tortoise Supper Club Fridays from 7:30-11pm and Saturdays from 8:00-11:30pm. WEDNESDAY Happy Hour from 4:30-6:30PM includes 1/2-Price Signature Cocktails, $1 Oysters & $1 Cocktail Shrimp in the bar and on the patio. FRIDAY Happy Hour from 4:30-6:30PM includes $1 Oysters & $1 Cocktail Shrimp. Pre-Theatre dining? If you join us for dinner before your show, we offer complimentary valet.