Singing Wood was owned by Mary Elizabeth Altemus Whitney (later Person Tippett), a wealthy socialite and thoroughbred racehorse breeder. Photo is likely related to Singing Wood’s victory in the March 1936 Santa Margarita Invitation at Santa Anita Park in Arcadia, California.
Spectators at a $50,000 Derby day at the Santa Anita racetrack on February 22, 1937. The crowd in attendance was estimated at 45,000 spectators. Twenty-three horses raced that day, beating out the Kentucky Derby's record of twenty-two starting horses at that time. The $50,000 purse was won by the horse Fairy Hill.