Master Sgt. Ryan Carson United States Air Force Band vocalist, sings to an audience member during the band’s Guest Artist Series at the Daughters of the American Revolution Constitution Hall in Washington, D.C., Feb. 12. Carson, during the performance had the honor of singing backup for seven-time Grammy Award winner Al Jerreau. The band’s guest artist series began in 1966 and has evolved to feature entertainers of national and international renown. Ensembles have shared the stage with more than 300 prominent artists, including, Wynonna Judd, Al Jerreau, Patti LaBelle, Michael Feinstein, and the Canadian Brass. ( U.S. Air Force photo\Staff Sgt. Matt Coleman-Foster)