An XML format for storing digital sheet music. Introduced in 2004, musicXML defines every attribute of a musical score. Like all XML notation, the format is very wordy as noted in the example below. See XML
This is a one-measure piece of music that contains a whole note on middle C in 4/4 time. (Image courtesy of MakeMusic Inc., www.musicxml.com)
Music Score Format Comparison
The text-based musicXML file with nearly 60 thousand lines of XML is more than 40 times larger than the original binary MuseScore file from which the conversion was made.