180-gram audiophile black vinyl. The West Coast Pop Art Experimental Band make an interesting case for being one of the era s more unclassifiable bands. Vol 3. A Child s Guide To Good And Evil was a great example of this. This album is considered to be the band s most accomplished work and a masterpiece of the psychedelic genre. The album cover features iconic original artwork by Jon Van Hamersveld, who also created covers for the Beatles and the Rolling Stones.