Anna Eberhart became the sweetheart of drum corps this summer with her amazing facial expressions and performance antics as the Boston Crusaders' synth player. But prior to her explosion this summer, Anna was a member of the Denton Guyer High School Marching Band. Now, she's giving lessons to three-time Grammy Award-winning singer/songwriter Harry Connick, Jr.


If you're not sure why she ended up on the Harry Connick, Jr. Show, check out these GIFs from her performance at DCI Finals -- you'll immediately understand why.