Log in or register to post comments Grateful Dead at Carousel Ballroom. March 15, 16, 17 1968, with Jefferson Airplane. Phil's 28th birthday on the 15th. Artist: Alton Kelley Archive Type Artwork Date Thu, 03/14/1968 - 16:00 Show Carousel Ballroom - March 15, 1968 Tags Alton Kelley Jefferson Airplane Carousel Ballroom Phil's Birthday Archive Image