||The Art OF Rock And Roll2- 356. Victor Moscoso, along with Wes Wilson, Alton Kelly, Stanley Mouse, and Rick Griffin pioneered and defined the San Francisco psychedelic poster style. Rock poster artists did not limit themselves to producing art for concerts, and not all psychedelic graphic works were rock posters. Here is one of those examples. Put on your glasses and you will be able to read all the dates, times, and places in the flowers. In Stock.