Following his lecture at the National Institutes of Health, celebrated cellist Yo-Yo Ma greets Roderic I. Pettigrew, Ph.D., M.D., Director of the National Institute of Biomedical Imaging and Bioengineering; Maria Freire, Ph.D., President and Executive Director of the Foundation for NIH; and Roger Glass, M.D., Ph.D., Director of the Fogarty International Center at NIH. The event is described in the NIH Director's blog post, along with a videotaped performance by Ma and NIH Director Francis Collins.