Kulkamp Anthony Dias, 33, sang and played guitar during a brain operation so that the surgeons can monitor it is kept awake. It's neurosurgeon Dr. Mark Ghizoni who proposed this idea to his patient needed surgery for a brain tumor. During the operation Kulkamp Anthony Dias therefore remained completely awake by singing several songs including one he wrote especially for her son, born a few months ago, or the title "Yesterday" by the Beatles.