Seems like the MuseScore project is heading towards a new milestone:
The 267,000 Windows 7 based netbooks that the NSW Government has started rolling out to high schools will come pre-installed with open source software.
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A spokesperson from the NSW department of Education and Training (DET) today confirmed that GeoGebra, Dia, Audacity, Freemind and MuseScore would all be included on the devices.
Source:
http://www.computerworld.com.au/article/316261/windows_7_enabled_netbooks_schools_include_open_source_software