As Slovenian opera singer, Ambroz Bajec-Lapajne, underwent brain surgery in the Netherlands to remove a tumor, he had the procedure filmed. Surgeons had Ambroz perform Schubert’s “Gute Nacht” during the surgery so they could monitor his ability to sing and recognize they key change. At around the 2:45 mark he fades off, then moments later he begins again. “I’m just a singer and tenor at that,” he said in an interview later. “I believe he rewired my brain for a while and that was the result. I could not control my tongue anymore and could not stop phonating. It was a very weird feeling.” The surgery was performed over a year ago and Ambroz is doing great — as is his career. You can see all of his most recent performances by visiting his YouTube channel.