I was HUNDREDS of posts behind, but I've caught up, I'm so proud of myself. A couple non-audio comments, both of which involve my Dad (RIP, missing him today):
My parents saw Harry Belafonte at the amazing venue Red Rocks way back in 1959. I've been lucky enough to see a handful of shows there, and caught this picture for them in the downstairs display of historical acts (fuzzy photo, but you get the idea):
And regarding motorsports, my Dad and I both used to ride street bikes for basic transportation, and we attended a Superbike race at Laguna Seca. For skill and bravery it's hard to top these guys, dragging a knee in the Corkscrew, and accelerating out of a curve on the edge of one tire: