Four regional experts were polled on all ten of the state's single-gender groups and all nine of the state's festival mixed groups. These are the results, accompanied by succinct wrap-ups of each season.

PHOTO: Nathan Ensley | Three regional experts ranked 20 of Illinois' best groups across three divisions. These are the results.

PHOTO: Nathan Ensley | Choirs representing five states will converge on Saturday, including a healthy dose of Illinois as well as John Burroughs, Omaha South, Neenah and Franklin Community.

PHOTO: Nathan Ensley | Wheaton North solidified its standing at the top, Waubonsie Valley was the surprise choir of the night and Carmel Catholic took its first-ever division win among other stories.