(hennemusic) A new, limited edition book chronicling Deep Purple's appearance at the California Jam is due in December.On April 6, 1974 Deep Purple appeared on stage at the California Jam festival at the Ontario Speedway in California. The band's performance was one of the first to feature their third line-up, which included vocalist David Coverdale and vocalist/bassist Glenn Hughes.
Taking top billing at the all-day event, and with great weather, Deep Purple and the other bands drew a crowd of around 165,000 people. It became the largest single-day paid attendance in U.S. rock concert history. more on this story
