Richard Langford, 64, and his mother Leta Langford, 89, play the piano together at their home in East Nashville. Richard almost died a decade ago and still still suffers some cognitive symptoms, but says music keeps him going.

Richard Langford, 64, and his mother Leta Langford, 89, play the piano together at their home in East Nashville. Richard almost died a decade ago and still still suffers some cognitive symptoms, but says music keeps him going.