Unbridled's Song, whose dam was Trolley Song, a mare who won just $17,000 in Europe and America, traveled a storybook route to the major leagues.

As an example, the director notes that, in the film, the "Trolley Song" consisted largely of close-ups of Judy Garland.

"The Trolley Song" elicited cheers.

The Trolley Song (Recorded April 20, 1944)

Anything too earnest seems as old-fashioned as a Vegas-style female impersonator in sequins singing "The Trolley Song."

"The Trolley Song" in the film Meet Me in St. Louis received an Academy Award nomination.

Garland sang "The Trolley Song" and "Have Yourself a Merry Little Christmas".

"You can't stay depressed belting out something like 'The Trolley Song,' " she said.

A Trolley Song San Francisco is not the only city with a trolley.

"The Trolley Song" is a nod to the city of San Francisco, where the album was recorded.