GQ is an a cappella and barbershop quartet from Baltimore, MD. Their members are Amanda Sandroni, Ali Hauger, Katie Gillis, and Katie Macdonald. They sing a variety of styles spanning several decades and are four great friends who have a passion for creating a unique sound.
They formed as an a cappella project in the Summer of 2011 at Towson University. Since then, GQ has competed in various a cappella competitions such as the Harmony Sweepstakes and SingStrong, as well as the Rising Star Contest and International Quartet Contest for Sweet Adelines International. They are the 2013 SingStrong Champions and the 2013 2nd Place Harmony Sweepstakes Champions. They are the 2013 Rising Star Champions,2014 11th Place International Quartet Finalists, and 2018 5th place finalists. They most recently placed 3rd at the SAI international convention in New Orleans.