Staff Sgt. Ron Digsby, a trombonist from the Marine Corps Band New Orleans, sings a tune for students at William Floyd High School in Mastic Beach, N.Y., Oct. 25, 2012. Each year, the Corps’ musicians travel throughout the United States, performing more than 250 concerts, parades and ceremonies, entertaining more than six million people. (U.S. Marine Corps Photo by Cpl. Nana Dannsa-Appiah/Released)