Inside Daisy Clover
Starring Natalie Wood, Christopher Plummer, Robert Redford, Ruth Gordon, Roddy McDowall, Katharine Bard, Peter Helm, Betty Harford, Harold Gould, Ottola Nesmith
It's a drama and music movie, and has a rating of 6.1 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Italy.