Unbridled’s Song sired four stakes horses in a 17-day span, including career stakes performer No. 150.

The milestone stakes performer was Heritage Hall, who ran third in the $150,000 General George H. (G2) over 7 furlongs at Laurel on February 21. An $800,000 Saratoga Select yearling from Taylor Made’s consignment, Heritage Hall now has 4 wins in 8 starts for owners Premier Stables Ltd.

Two days prior, Graded stakes winner Mission Impazible pushed his earnings past $558,000, running second by a head in the $125,000 Mineshaft H. (G3) at the Fair Grounds. Now a Graded stakes performer at 2, 3, and 4, Mission Impazible races for Twin Creeks Racing Stable.

On February 12, Ravi’s Song won her 2011 debut, the Pelleteri Stakes at Fair Grounds for owner/breeder Fujita Yoshida. And on February 5, Eager Emma ran second by a half length in the Belle Born S. at Aqueduct for owner Edward A. Cox Jr.

Unbridled’s Song already has earnings of more than $1,000,000 through the first seven weeks of 2011. In 2010, he sired 21 stakes horses and earners of well over $8,800,800.