He spent many of his last years in a wheel chair. He said to me one day in a low and gentle voice "People treat you different when you're in a wheel chair." He was saddened and surprised at the reality of it.
When you see someone with a disability don't look away, you can't hear their music but it's there, you cant see their melody but it plays. Just look them in the eye and smile.
Make the world a better place one intention at a time.