The song was written by James Horner, Barry Mann, and Cynthia Weil, and produced by Peter Asher and Steve Tyrell.

Steven Spielberg, the film's producer, invited songwriters Barry Mann and Cynthia Weil to collaborate with James Horner on four songs for its soundtrack, to be completed in a four-week timeframe.

[1] In the main body of the film, the song was performed by Phillip Glasser and Betsy Cathcart in the characters of the anthropomorphic mice Fievel and Tanya Mousekewitz.

The video features Ronstadt and Ingram, each at an animation desk in their own studio in opposite buildings, with a moon-lite bridge connecting them.

In the context of the film, the fictional brother-and-sister characters Fievel and Tanya Mousekewitz sing the song, while the love they share is described as fraternal.