https://www.metv.com/stories/get-an-inside-look-at-ann-margret-recording-her-lines-and-songs-for-the-flintstones

These behind-the-scenes photos from 1963 show the star voicing her modern stone age alter-ego Ann-Margrock.

Did you ever sing the lullaby in this famous Flintstones episode to your little lambs? (https://www.metv.com/stories/did-you-ever-sing-the-lullaby-in-this-famous-flintstones-episode-to-your-little-lambs)

Ann-Margret singing Pebbles to sleep as Ann-Margrock can work for you, too.