Dr. Hamlin received his Ph.D. in Music Education from the University of Miami. He taught high school band in Florida for nine years. He has also directed various school and church choirs and works to promote greater music literacy among choral groups. Dr. Hamlin maintains a private clarinet studio and is active as a performer. His research interests include the study of deliberate practice, self-regulation, and the development of expertise. A second research interest area is classroom assessment.