Cal Jam ♬
Cal Jam l, the biggest concert or even attempt since Woodstock.
April 6th 1974 held at the Ontario Speedway, in Ontario, California;I was only 12, missed this one, so sad. I did attend Cal Jam ll on March 18th 1978.We made History.
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California Jam 1---Saturday April 6, 1974----40 years ago today, a crowd estimated at 200,000+ filled the in-field at the Ontario Motor Speedway for an all-day concert featuring Emerson Lake Palmer, Deep Purple, Black Sabbath, Eagles, Seals Crofts, Black Oak, Arkansas, Rare Earth, and Earth Wind Fire. It was a great day!
Cal Jam I happened in 1974 -- there were over 200,000 people who attended with Black Sabbath, Deep Purple, Emmerson, Lake & Palmer, Eagles, Seals & Crofts and lots of others playing the tunes. The concert set a record for the largest paid attendance at such an event to that date and also, the loudest sound system ever created to that date.