Once Upon a Dream (Sleeping Beauty song) Once Upon a Dream (Sleeping Beauty song) "Once Upon a Dream" is a song written for the 1959 animated musical fantasy film "Sleeping Beauty" produced by Walt Disney. Its lyrics were written by Jack Lawrence, and its music by Sammy Fain. The song's melody is based on the "Grande valse villageoise" (nicknamed "The Garland Waltz"), from the 1890 ballet "The Sleeping Beauty" by Pyotr Ilyich Tchaikovsky. "Once Upon a Dream" serves as the film's main theme, and as the love theme of Princess Aurora and Prince Philip. It is performed in the film by a chorus as an overture and
Sleeping Beauty problem by the objective chance of heads landing being equal to the chance of tails landing, it should therefore hold that P(Tails | Monday) = P(Heads | Monday), and thus Since these three outcomes are exhaustive and exclusive for one trial, the probability of each is one-third by the previous two steps in the argument. David Lewis responded to Elga's paper with the position that Sleeping Beauty's credence that the coin landed heads should be 1/2. Sleeping Beauty receives no new non-self-locating information throughout the experiment because she is told the details of the experiment. Since her credence before the experiment