For private viewing inside the confines of your own home, it is possible to use them. Just think about recording songs off the radio or your stereo or programmes off the television, how many episodes of Coronation Street or Top Gear have u got? There is no problem with that but any public performance is strictly prohibeted and strangely enough that includes having people into your home to watch your home movies. I guess we're all supposed to sit in a room by ourselves with the sound turned down just in case someone walks past the house and hears the soundtrack.

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Better than a poke in the eye with a pointy stick any day...