Copyright Law
Legally, only the copyright holder has the right to or grant permission to:
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make copies of the work (this means digital copies too)
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create derivative work, or collect money from derivative work (this means that legally, you cannot base a work on an existing copyrighted work without permission)
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distribute copies of the work (this means digital copies too)
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perform the work in public
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display the work in public
17 USC 106, 2002
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