Issues with grantparkmusicfestival.info access could stem from improper redirect settings between different versions of the site. Check the following links for alternative routes:

http://grantparkmusicfestival.info http://www.grantparkmusicfestival.info https://grantparkmusicfestival.info https://www.grantparkmusicfestival.info

Or return to the current status page of grantparkmusicfestival.info.