The Buddy Holly Story
Starring Gary Busey, Don Stroud, Charles Martin Smith, Conrad Janis, William Jordan, Maria Richwine, Amy Johnston, Dick O'Neill, Fred Travalena, Neva Patterson
It's a drama and music movie, and has a rating of 7.2 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Finland.