Heathers: The Musical is professionally licensed through . They own the exclusive rights to distribute the script and score. Sharing a full PDF without their permission violates copyright law.
Unlike Shakespeare or public domain works, Heathers the Musical is a modern, actively licensed property. You cannot legally perform the show without purchasing rights from Concord Theatricals. However, directors and music directors often need to read the script before paying thousands of dollars for licensing to see if the show fits their cast. This creates a high demand for "preview" PDFs.
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