Doris Day introduced it in the Alfred Hitchcock film The Man Who Knew Too Much (1956), singing it as a cue to their onscreen kidnapped son. ' Que Sera, Sera (Whatever Will Be, Will Be)' is a song written by the team of Jay Livingston and Ray Evans that was first published in 1955. ' Que Sera Sera (Whatever Will Be, Will Be)'
Doris Day performing the song in the 1956 film The Man Who Knew Too Much.
