What is the primary purpose of the MusicXML file format in the context of music transcription and notation software?
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A
To function as a high-fidelity audio file compressed from a notation file.
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B
To provide a universal standard for exchanging digital sheet music between different applications.
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C
To serve as a proprietary, encrypted file format for a single notation program.
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D
To embed copyright information directly into a musical score's metadata.