https://feeltix.com is a comparison ticket service helps music fans to find tickets for the concerts in Chicago, IL (U.S.) they want to go see for the best price. We listing tickets from the official ticket agencies and secondary exchange (resale) marketplaces such as ticketmaster, livenation, ticketsnow, ticketweb, tickpick and razorgator. 
https://feeltix.com/chicago-concerts