If you don't like all the music on this massive set, I really don't care. That is not to give you a cold shoulder, or a cold anything. But if you are cherry picking artist by artist here, you've missed the point.
Before 1967, there was counterculture rock, but no one gave this a name. There were a lot of bands that, suddenly, did not fit on top forty radio--bands that played in clubs, that gained fame by word of mouth. There were, progressively more and more. Hendrix, Doors, Jefforson Airplane, Blues Project. So many in fact, that FM progressive radio was invented, since AM would only play, if at all, edited versions of these tracks.
The Monterey Pop Festival was the introduction for many of these new bands. The counterculture was arriving, and so was its music. Jimi Hendrix and Janis Joplin made it and got famous overnight. The new guard had arrived. The Beach Boys missed it--Brian was getting more and more sick mentally--and sank from one of the most inventive bands in the world to what seemed like an oldies act, almost overnight.
"You'll never hear surf music again," said Hendrix during his set.
Actually, Hendrix was wrong. You well could have. I found interesting that with Jimi and Janis, you also had The Association, Lou Rawls, acts that had little to do with the underground, along with the Mamas and The Papas, who bridged the pop and rock, the AM and FM.
The lesson reinforced here is not in counterculture rock, but in the all-encompassing view of music that made the 1960s so fertile, and the formats and marketing labels have make modern mainstream music so vapid. You probably were never going to see the Letterman on the guest list, but being able to see Ravi Shankar and .Otis Redding and Simon and Garfunkel in the same place should tell you a great deal--about how we SHOULD think of music.
There are deficits: Country Joe and the Fish's "Section 43," perhaps the most daring and experimental piece of the whole weekend, is not here. Neither is the Animals violin version of "Paint It Black," another proto-art rock gem. You can get "Section 43" on the Monterey International Pop Festival.
But these are particulars. If you want to understand the start of counterculture rock and why 1967 was so important for rock in general, buy, listen, and consider this box.