Please with their collaboration, Carlos Reyes on violin and harp and Dr. Daniel Levitin, on guitar and vocals celebrate after playing a song together at Mighty Fine Guitars in Lafayette, Calif., Sunday, Jan. 19, 2014. Levitin, a musician and neuroscientist who grew up in Moraga, was back in town for a short lecture and to play with Reyes. (Susan Tripp Pollard/Bay Area News Group)