Enjoy a free a cappella concert (or pay what you want) at Rogers Hall, 1834 Selwyn Avenue on Queen’s University campus, on Saturday, June 13th, 2015, at 7:30 p.m. Queen City Groove will be performing, with special guests, 8% Quartet and Finders Keepers. Queen City Groove sings music from all genres, including pop, country, standards, jazz and more.