Brian Johnson ordered to stop touring or have complete hearing loss.

Johnson denied that his hearing loss was a result of playing with his bandmates. He said: “I’ve got hearing loss in my left ear. [But] I didn’t get it from music. I got it from sitting in a racecar [for] too long without earplugs.  “I heard my eardrum burst because I forgot to put my plugs in under my helmet. That’s how it happened.  “Music had nothing to do with it … I was dizzy, my middle ear had gone, and I took my helmet off and there was blood coming out and I’d burst my eardrum.”    The whole story… Here