I am all for experimentation, but I do have to say, it seems a little much to ask to lump all avant-garde music into one pile that I either like or dislike. Like all other music, there is some that I find appealing and some that I don't.
as far as I can tell, this is a relatively new thing (or rather, it has suddenly become much more popular), where the band tours and plays either their latest, or their "classic" album in it's entirety, sometimes following it up with a more varied set of their other work. I thought this was...