ACA 4 | Notre Dame Undertones, Wisconsin MadHatters, Michigan G-Men | 2022

Welcome to the 4th edition of the ACA series! You are watching an acapella showcase of 3 of the finest all-male groups in the country - the Notre Dame Undertones, the Wisconsin MadHatters, and the Michigan G-Men! ACA 4 is hosted at Leighton Concert Hall in the Debartolo Performing Arts Center on the campus of the University of Notre Dame in South Bend, Indiana.