On July 31, 2006, a 3-year-old black horse named Songster made his Saratoga debut in the Grade 2 Amsterdam Stakes. The Darley-owned colt was already a graded stakes winner: he achieved that when he won the Grade 3 Hirsch Jacobs Stakes on the Preakness undercard, crushing the field by 10 lengths. Three weeks later, he took the Grade 2…