Local to me at least, the Cincinnati Pops has done this for quite a few movies, including the original Star Wars trilogy, some Harry Potter films, etc. They ge

Local to me at least, the Cincinnati Pops has done this for quite a few movies, including the original Star Wars trilogy, some Harry Potter films, etc. They get the film from the studio with the soundtrack removed, which makes me think this is a thing other orchestras have available to them as well.