This Audrey Hepburn photo contains
horse wrangler, wrangler, horse trail, lippizan, lipizzan, and lippizaner.
There might also be
racehorse, race horse, bangtail, steed, and packhorse.
Audrey sang most of this song herself in the released film, but the middle section was dubbed by Marni Nixon. Audrey's voice has been restored in this section.