Chicago Tranist Authority - Live At Toronto Rock 'N' Roll Revival, 1969

"Here we have one of the largest-selling bands in U.S. history performing live and at their very best. Travelling all the way from the Windy City to the Rock 'N' Roll Revival festival in Toronto, Chicago Transit Authority play effortlessly through a number of their biggest hits including 'Purple Song', '25 or 6 to 4' and 'Does Anybody Know What Time It Is?'.