Ohh well. faghoo gave the link and it’s not working. Basically a story of when the who drummer passed out and they had a 19year old kid from the audience fill in for 3 songs in 1973. Gayhoo sucks.
Can probably find it by searching for the title.
He's out cold. I think he's gone and eaten something he shouldn't have eaten": What happened the night a Who fan was pulled from the crowd to fill in for Keith Moon