Continuity mistake: Guy is lying down on the sofa as Rosemary shows him the necklace with the tannis root inside. His right ankle is leaning over the edge of the sofa right next to the lamp. Two shots later Guy says, "Well if you took it you ought to wear it" and the lamp has been moved a foot to the left of his ankle. (00:32:50)
Continuity mistake: As Rosemary and Guy eat dinner with the Castevet's several yellow books in a pile in the bookshelf disappear as dinner progresses without anyone going near them. (00:26:45)
Continuity mistake: In the Castevet's apartment Rosemary asks Roman, "Do you come from Australia?" and the lighting has been changed as a shadow appears on the left arm of the couch next to Guy that wasn't there two shots ago. (00:25:20)
Continuity mistake: Minnie and her, "good friend, Laura-Louise" come to the door while Rosemary is reading a book on the sofa. Rosemary puts the book down on the sofa and when she returns it moves about a foot to the right of where it originally was placed. The pillow on the right of the sofa has also been moved. (00:31:05)
Continuity mistake: Rosemary puts a record on her turntable and we see a yellow garbage pail in front of a yellow high chair in the kitchen. After Minnie and Laura-Louise walk into the living room, Rosemary walks over to turn the record player off and we see that the yellow garbage pail is gone. (00:30:30)
Continuity mistake: Roman walks back to the bar after he spills the vodka blush on the carpet. There's a typewriter on a movable desk, to right of his easy chair, that has been moved since Rosemary and Guy walked into the apartment. The tip-off is the design on the carpet underneath the easy chair. (00:25:25)
Continuity mistake: Minnie asks, "Where are you folks from?" and we see the wall behind Rosemary and Guy is in shadow. No-one turned any lights on or off but, when they first sat down, the wall behind the couch was lit up. (00:25:45)
Continuity mistake: Rosemary and Guy eat dinner with the Castevets and, if you look closely, the candles on the dinner table 'melt' upward as the scene progresses. (00:26:40)
Continuity mistake: The building manager faces the spot in front of the closet where the secretary was as Rosemary says, "She moved it, it used to be there". In the next shot the building manager is facing them. (00:05:40)
Continuity mistake: The building manager says, "now this room, would make a lovely nursery" as Rosemary stares at him wide eyed. In the next shot she's staring at the ceiling. (00:04:25)
Continuity mistake: When the building manager opens the door to the apartment we see three lights down the hall, one lamp dead center and two nightlights one on the left and one on the right. In the next shot the nightlight on the right is turned off. Later when they walk out of the kitchen it's back on again. (00:03:55)
Continuity mistake: The building manager says, "she was quite a woman" and we see two gray phone books on top of a desk on the far wall. The two phone books are not even with each other when we first see them but in the next shot as Rosemary walks over to the desk they are. (00:04:15)
Continuity mistake: As they wait for the elevator Rosemary is standing to the right of Guy. In the next shot as they walk into it Rosemary is in front of Guy. (00:02:45)
Continuity mistake: As Rosemary walks out of the elevator the sides of her hair are curled. When we saw her earlier as she met with the building manager her hair was straight. (00:03:15)
Continuity mistake: The building manager says, "Oh, an actor. We're very popular with actors," as they approach the door to The Dakota. In the next shot when Guy responds they're already about four or five feet through the doorway at the steps. (00:02:25)
Continuity mistake: In the beginning of the movie Rosemary, Guy and the building manager walk up the steps of the Dakota and all look forward as they wait in front of the elevator. In the next shot the building manager is looking in the opposite direction at Rosemary and Guy. (00:02:40)
Continuity mistake: Before she goes into labor Rosemary and Guy's alarm clock above their bed reads 9:30 throughout the scene, but when Dr. Sapirstein injects her with a sedative and she goes into labor the wrist watch that the man on the right of the screen is wearing gives another time which is 11:15. (01:57:15)
Continuity mistake: Rosemary walks into the party holding a knife and we see Guy talking to Minnie who is sitting next to a table full of gifts. Next time we see the table two shots later the gifts have been moved without anyone going near them. (02:08:45)
Continuity mistake: In order to fool the witches Rosemary takes the pills that they give her and sticks them between a brick and the middle shelf of her head board. When we first see this spot the bricks are flush with the shelf but in the next shot the shelf has been moved out about three-quarters of an inch past the bricks. (02:03:50)
Continuity mistake: Rosemary goes to the kitchen and gets a knife out of the holder with the remaining knives visibly crooked. In the next shot as she walks out of the kitchen they are straightened out. (02:06:50)
Chosen answer: It doesn't have a specific title. It was a lullaby written for the film by Krzysztof Komeda. There's a few variations of the lullaby heard throughout the film, the opening credits version is listed as "Rosemary's Baby Main Theme - Vocal."
Bishop73