Here's a breakdown:
* Composer: Frank Churchill
* Lyrics: Larry Morey
* Performed by: Adriana Caselotti (as Snow White)
* Film: Snow White and the Seven Dwarfs
* Context: The song is sung by Snow White while she's dreaming of a handsome prince who will rescue her from her stepmother's evil reign.
It's a classic Disney tune that has become an iconic representation of the princess-in-distress trope, albeit with a happy ending!