Celebrities turn out for opening day of Santa Anita's fourth racing season

The video covers the opening of the new season at Santa Anita, highlighting $1,000,000 worth of improvements for the 50,000 attendees. It features celebrities like Al Jolson and Ruby Keeler. The main event is a race where the horse Hadeed, a favorite, wins the Santa Anita Derby. The video captures the excitement and key moments of the race, including the performance of other horses and the final results.

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