Grateful Dead / Ken Kesey – Rare 1966 Promotional Poster for ‘The Acid Test’ Private Press LP

A very rare promotional poster advertising the highly collectible 1966 album The Acid Test, featuring Ken Kesey and the Grateful Dead. The first recording session at the Bay Area studio Sound City was an in-studio Acid Test featuring Ken Kesey, the Grateful Dead, and members of the Merry Pranksters.  Sound City issued the results as […]