It depends how you use them. For example you are making a documentary about some singer. You may include snippets of his songs in your documentary. This is absolutely legal.
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It depends how you use them. For example you are making a documentary about some singer. You may include snippets of his songs in your documentary. This is absolutely legal.
It also depends on how sue happy the copyright owners are. From what I can tell there's no clear definition of what constitutes 'fair use' and it takes a bit of resources to defend oneself from a court action even if you are in the right.