
CNN Hero: Arthur Bloom —
Arthur Bloom, right, rehearses with members of the MusiCorps Wounded Warrior Band at Bloom's home in Washington. Through his nonprofit, Bloom is using music to help hundreds of injured troops recover their lives.

CNN Hero: Arthur Bloom —
MusiCorps pairs professional musicians with recovering troops, helping them play instruments and write and record music.

CNN Hero: Arthur Bloom —
Since 2007, Bloom and his group have helped hundreds of wounded warriors. "I've seen guys come in here, and they're going through such a tough time with their injuries that they are very withdrawn," Bloom said. "The music becomes their new way of communicating."

CNN Hero: Arthur Bloom —
Bloom and some members of MusiCorps pose in front of Bloom's home in Washington.

CNN Hero: Arthur Bloom —
Bloom works with MusiCorps participant Will Cook.

CNN Hero: Arthur Bloom —
Studies show that music can reduce anxiety and even help an injured brain heal. Bloom believes that music is medicine for the mind.

CNN Hero: Arthur Bloom —
Because of the severity of their injuries, many of the MusiCorps participants require specialized instruments.

CNN Hero: Arthur Bloom —
MusiCorps participant Greg Galeazzi practices at his home in Washington. "Music has always been important to me," he said. "I felt a deep sadness because I thought I'd lost my ability to play music."

CNN Hero: Arthur Bloom —
The MusiCorps Wounded Warrior Band rehearses at Walter Reed National Military Medical Center in Bethesda, Maryland.

CNN Hero: Arthur Bloom —
Bloom and the MusiCorps Wounded Warrior Band pose for a photo at Walter Reed.