The Changeling avi - 1980

The local Senator Carmichael is helping to fund the local arts and famous composer John Russell. Unbeknownst to everyone and even Senator Carmichael, his ancestry and fortune isn't true. After the composer is the last survivor in a terrible wreck and his family gone, he is reluctantly forced to rent the old and vacant Carmichael mansion for a temporary assignment. He hopes to relax after the mourning of his recently deceased daughter and wife and give him inspiration for more musical works and move on with his life. Only when the house turns out to be haunted does everything become unraveled in a plot of unimaginable magnitude. Even the new musical piece of work Russell is working on is not even his own unique work. What mysterious haunting is going on here?