What's the loudest concert you've ever been to?

I've been an avid concertgoer for over 20 years now and to say my hearing has paid the price would be an understatement. (No, really, what did you state, because I probably didn't hear it?)

While I've learned to pack ear plugs for shows to avoid that next day/week/month-long ringing, some shows probably did some irreversible damage to my ear drums. The loudest concert I ever attended, by far, was The Smashing Pumpkins. However, some close runners-up were Foo Fighters and Tame Impala. In other words, whatever hearing loss I endured was totally worth it.

So, I'm curious what was the loudest concert you've ever attended? You know the kind where the sound just reverberates *through* you.