The Light struck the lens
I am of the definite opinion that the light streak appearing above the head of Joe Cocker in a halo position was caused by light striking the negative.
https://en.wikipedia.org/wiki/Joe_Cocker?fbclid=IwAR0Rvo2NFIFiggVhl_nsczL9OfGdZXHAx2gpEreHfNcZyIANCzTjKX7ZLrs#/media/File:Joe_Cocker_72.jpg
https://en.wikipedia.org/wiki/Joe_Cocker?fbclid=IwAR0Rvo2NFIFiggVhl_nsczL9OfGdZXHAx2gpEreHfNcZyIANCzTjKX7ZLrs#/media/File:Joe_Cocker_72.jpg