Quintessence is the essence of a thing in its purest and most concentrated form. Come join the Quad City Wind Ensemble as we perform our concert entitled Quintessence with music by Shostakovich, Persichetti, Holst, and more. Saturday, May 11th, 2019 at 7:30pm in Allaert Auditorium in the Galvin Fine Arts Center on the beautiful campus of St. Ambrose University.