 Listen to the Idaho Massacre on America's number one podcast network, iHeart. Open your free iHeart app and search the Idaho Massacre. iHeart Radio. Soundtrack. Flashback. The Titanic may have sunk, but the movie rose to be one of the biggest films of all time. Its soundtrack by James Horner was all we were talking about in 1997. Celine Dion's My Heart Will Go On was our jam, selling over 18 million copies.