Claim: Zensational sire is Unbridled's Song(February, 1993 – July, 2013)  and Dam is Joke and it was foaled in 2006.
Evidence: Unbridled's Song Joke 2006 Unbridled's Song (February 18, 1993 – July 26, 2013) was an American thoroughbred racehorse who won the Breeders' Cup Juvenile, Florida Derby and Wood Memorial. 
He was sired by Unbridled's Song out of the Phone Trick mare Joke. Zensational's dam Joke was a stakes winner and she is a half-sister to the stakes winners Trip (Lord at War) and Laity (Pulpit). 2006 (1993-02-18)18 February 1993 26 July 2013(2013-07-26) (aged 20)