St. Patrick’s Day usually conjures images of partying, Catholicism, Irish nationalism and, perhaps most famously, the color green: green clothes, green shamrocks, green beer and green rivers. But the holiday used to be a solemn feast day when you’d be far more likely to see the color blue.

Two different Colorado marching bands had the honor of performing at a legendary St. Patrick's Day parade in Ireland on Monday. The bands from Legacy High School and Horizon High School traveled to Europe and performed at the parade along with a group other marching bands in the city of Dublin as part of its St.