Realized I left Chicago off my list, and in scanning down through the responses I was shocked to find I don’t think they were mentioned here once!?! What up with that???
I never really connected with Chicago's music until about five years ago when I came across the band Leonid and Friends,a group of Russian studio aces who play note for note covers. I don't know how they will strike you but when they play this music, I genuinely enjoy listening. The playing is excellent, all around but the super-solid drummer is my favorite. Here's a little taste:
https://www.youtube.com/watch?v=tJzlHBN3BT4&list=PL_lu88CYCO49t9aYp4N_40615W5h6TtLK&index=13