<P> `` Once Upon a Dream '' is a song written in 1959 for the animated musical fantasy film Sleeping Beauty produced by Walt Disney . It is based on Tchaikovsky 's ballet of the same name , more specifically the piece `` Grande valse villageoise '' ( `` The Garland Waltz '' ) . It is the theme of Princess Aurora and Prince Philip and was performed by a chorus as an overture and third - reprise finale . Mary Costa and Bill Shirley , who were cast in the roles of Princess Aurora and Prince Philip , performed the song as a duet . </P>
<P> `` Once Upon a Dream '' is a song written in 1959 for the animated musical fantasy film Sleeping Beauty produced by Walt Disney . It is based on Tchaikovsky 's ballet of the same name , more specifically the piece `` Grande valse villageoise '' ( `` The Garland Waltz '' ) . It is the theme of Princess Aurora and Prince Philip and was performed by a chorus as an overture and third - reprise finale . Mary Costa and Bill Shirley , who were cast in the roles of Princess Aurora and Prince Philip , performed the song as a duet . </P>
who sang the original once upon a dream
who sang the original once upon a dream
Mary Costa and Bill Shirley
Mary Costa and Bill Shirley