The Dubuque Music Men Chorus presents Mix It Up featuring guests Double Date and After Hours.
Double Date is a vocal quartet formed in 2012. They met in choir at the University of Missouri St. Louis. In March of 2014, they won the Barbershop World Mixed quartet competition in Germany.
After Hours became International Collegiate 3rd place bronze medalists, scoring higher than any previous Illinois District collegiate quartet in 2011. At the 2013 International Barbershop Convention Quartet Competition, After Hours made the top 10 for the first time, finishing 8th.