John Medeski appear in a rare solo setting on September 1. The MMW keyboardist will appear on piano at Chicago’s Symphony Center for the opening night of The Chicago Jazz Festival. Also on the bill is Louis Hayes and the Cannonball Adderley Legacy Band, and Joe Zawinuls project The Zawinul Syndicate. Billed as Three Generations of Jazz the show also will commemorate the 70th anniversary(!) of DownBeat magazine.