Senior Master Sgt. Chris Kosky and Master Sgt. Matthew Murray perform during a concert by The U.S. Air Force Band at Monroe Community College in Monroe, Mich., April 8, 2014. Kosky, a native of South Haven, Ind., is a bassist with the Concert Band, the Band’s largest ensemble. Murray, a native of Winona, Minn., is a double bassist and bass guitarist with the Singing Sergeants. (U.S. Air Force photo/Master Sgt. Tammie Moore)