Saw John Lee Hooker many years back at an Englewood NJ performance, backed by the Robert Cray band. He came out around 1:00 am, sat down, got his guitar ready and shouted ‘Lets Boogie’. Then proceeded to play great for about 2 hrs. He was no ‘spring chicken’ then.
That sounds like the show I saw in Missoula, but without Robert Cray.