What is MusicXML? It is a music notation exchange format that allows notation to be shared easily and accurately across programs. It is:

• Much more versatile than PDF
• Never blurry
• Can scale to any size
• Transposable
• Can use in wide variety of software

What is PianoXML? The PianoXML Project is about making great pubic domain piano music easily shared across the Internet. It is:

• Usable anywhere, in any format
• Never blurry
• Can be used in any music application
• Because it is public domain, it is yours to use however you want