Marcus Martin, left, plays guitar with dog trainer Shane Gentry. Sally the therapy dog sits between them.
Marcus Martin, left, plays guitar with dog trainer Shane Gentry. Sally the therapy dog sits between them. pseligson@newsobserver.com
Marcus Martin, left, plays guitar with dog trainer Shane Gentry. Sally the therapy dog sits between them. pseligson@newsobserver.com

This therapist wags her tail

September 23, 2013 8:27 PM