In early , Patsy Cline was recording songs for her next She recorded " Sweet Dreams" for the album on February 5. Sweet Dreams is a American biographical film which tells the story of country music singer Patsy Cline. The film was written by Robert Getchell and. Sweet Dreams is the soundtrack album to the movie of the same name, starring Jessica Lange and Ed Harris about the life of country music star, Patsy Cline. The soundtrack's music contained all original songs by Patsy Cline..