Keiko Matsui, contemporary jazz pianist, plays the Keytar during The U.S. Air Force Band's Guest Artist Series Feb. 26 at the at Daughters of the American Revolution Constitution Hall in Washington, D.C. Since its formation in 1941, The USAF Band has brought entertainment to music lovers around the globe, earning its reputation as "America's International Musical Ambassadors." (U.S. Air Force photo/ Staff Sgt. Nichelle Anderson)