From the YouTube description:
Our eight-year-old blind-autistic son Jacob enjoying some fine acoustic guitar by a musician in downtown Lawrence, Kansas on May 13, 2012. Tyler … Thank you so much for letting Jacob feel the music!
“Tyler” is bluegrass musician Tyler Gregory. Take two minutes and watch something charming and inexpressably sweet.
http://www.youtube.com/watch?v=gKXkbs55KXU