Calendar of Dates and Musicians Flyer. This was available to all who attended sessions at the Jazz Showcase when it was located in the historic Blackstone Hotel at 636 South Michigan Avenue at Balboa in Chicago. Art Farmer performed there often. This flyer lists his dates at the Showcase as April 18 through the 23, 1995. Joe Segal started The Jazz Showcase 47 years ago and it still exists (as of December 2017) – now located at 806 South Plymouth Court in the Dearborn Station.