My favorites:
Big shows:
Page and plant '95 (Kemper arena, kc, ks)
Phish NYE2k & Phish Deer Creek 2000
Small shows:
Man man (Columbus, oh, 2009)
Ghostland Observatory (Columbus, oh, 2009)
Grlwood (Denver, co, 2019)
That trumpet player from out of town that one night at Dick's Den (Columbus, oh, ~2007)
The pharcyde (Lawrence, ks, ~1999)
Some guy playing his guitar under a portable light next to a cop on a huge horse after all the shows were over one night at the first Bonnaroo (2002)
A little band from Nebraska that ended the show by repeatedly dropping this huge chain on the floor (Lion's lair, Denver, co 2016)
& many other great nights.