There isn't anything concert listings, but they did a live album in Chicago in 1974. Check out this website. http://en.wikipedia.org/wiki/Rare_Earth_(band) or this one. http://www.rareearth.com/Band.aspx
The Early Show - 1999 Earth Wind and Fire Chicago at the Intrepid Sea Air Space was released on: USA: 19 June 2009
Apache Fire - 1974 was released on: USA: 1974
The Chicago Fire is a Major League Soccer club in Chicago.
It came from the great Chicago fire of 1871
The Great Chicago Fire occurred in October of 1871.
Chicago Fire - album - was created in 1980.
Chicago Fire Premier was created in 2001.
The cause of the Great Chicago Fire remains unknown.
The Chicago Fire spread a third of the town
Chicago fire academy in chicagofirejuniors.com
After the Fire was created in 1974.
Valley of the Dinosaurs - 1974 Fire was released on: USA: 16 November 1974