hero, arthur bloom! >> thank you. thank you so much for this honor. you know, working every day, at walter reed, i'm reminded of who the true heroes are. on their behalf, on behalf of all the great musicians working in music corps, and all the service members at walter reed and across the country we hope to help, thank you. >> and now ladies and gentlemen, cnn hero arthur bloom, and special guest, cheryl crow joining the music corps wounded band, nathan kalwicke, tim donnelly to perform "wide river