Well this might possibly be one of the most unbelievable feats in music. A video has surfaced of  man doing an acoustic cover The Beatles’ Yesterday while undergoing brain surgery in Brazil.

Yes that right, in the video below doctors are actually poking around in Anthony Kullkamp Dias head, to remove a brain tumour.

The surgeons insisted the the 33-year-old Brazilian remain conscious during the procedure in order to monitor his brain activity.

We’ll  forgive him for being a bit out of tune. Check it out below:


Will De Nardo