Dating myself:
I've seen them in the early days, then saw them at Red Rocks maybe a year ago? For 60+ guys, they did a great job rockin' it...even if I want to punch Kevin Cronin every once in awhile. In the end, it came across as a bit 'rote' for me. Just hammering out another show. Sure, no night can be magic, but how can you be off your game at Red Rocks? Dave Amato is a fantastic guitarist, and he had 'wow' moments, but none of that 'edge of your seat, what the fook is he going to do' moments you saw with Gary. Vaguely out of tune solo's, and that odd dance he did. Amp (Plexi) at the edge of exploding, riffing during verses randomly. Dave falls into the 'very solid' category. Safe(r).
On the subject of aging rockers, I've seen Styx (seen first in 1976/77 as a young pup), and Peter Frampton in the last few years. Frampton (when he goes off script) can still throw it...he's got a way of looking at a scale that is uniquely *him*. Tommy Shaw is an underrated acoustic guitarist, and can knock your dick in the dirt at will in solo's. James Young I like, but he always seems a little too full of gin at these things.
Either way, Gary reminded me of Ronnie Montrose, who couldn't contain his appetites, and sent himself 6 feet under the grass.
Anyway. As I get older I look to see how these guys are dealing with how they play and continue to push the envelope. I find most do not innovate anymore, but some at least maintain gracefully. They seem to have given up on new material that's, well, NEW (yeah, I'm talking about you Journey...)
Even tho I don't listen to him often, I find Dylan still an old fook who can still find wells of inspiration in an old frame.
R