"Rosemary's Lullaby", also called "Sleep Safe and Warm", is a musical composition written by Krzysztof Komeda for Roman Polanski's 1968 American psychological horror film Rosemary's Baby. In the original version vocals were performed by Mia Farrow, who also played the lead role in the movie.
"Rosemary's Lullaby" was arranged by many musicians, including Leszek Możdżer, Emmanuelle Seigner and Tomasz Stańko.
References
Rosemary's Lullaby Wikipedia(Text) CC BY-SA