I watched a movie a long time ago (which I believe was a hammer movie) about a man who had a music box and if anyone would try to take it or mistreated the man he would whistle and the whistle would kill them. Anyone know the name of that movie?..thanks!

You might possibly be thinking of 'The Monster Club' which was Amicus not Hammer. One of the characters is a ShadMock, which can kill or horribly disfigure with it's piercing whistling. (rubbish move, book's quite good though).

I have fond memories of 'The Monster Club', and actually quite like the movie, well at least the individual stories, not the club scences with BA Robertson singing ! And it has the great Vincent Price features in it too.

I particularly like the last story about the Humghoul in the isolated village surrounded by fog, and the bit where they show the drawings of the ghouls in the churchyard.

Read the book, it's so much better, especially the ending!