Video footage from a London hospital shows a woman playing violin while surgeons work to remove a brain tumor.
The woman, 53-year-old Dagmar Turner, was awakened by doctors partway through the surgery and told to begin playing.
The reason? Doctors wanted to make sure they didn't damage any part of the brain that affected her "delicate hand movements".
Surgeons were able to remove 90 percent of the tumor and Turner still has full function in her left hand. She's hoping to return to her gig with the Isle of Wight Symphony Orchestra soon.