It's open source because the recording comes with the sheet music in an open digital format. Compare it the source of a picture, which is light. The source of classical music is the musical score.
From the Open Goldberg Variations blog: "iPad owners can now enjoy the Open Goldberg Variations, played by Kimiko Ishizaka, while following the score on their iPad. MuseScore has released a free iPad app that is dedicated to the music, the score, and the history of the Open Goldberg Variations project. Have fun!"
Link: http://bit.ly/LqR6SQ
Lilypond does not have MusicXML export, so anything you make in Lilypond is not exportable via the sheet music exchange standard.
This is different for this project: you get the Goldberg Variations in MuseScore source format and MusicXML, and many other formats (pdf, midi,...)
So whatever notation software you use (MuseScore, Sibelius, Finale,...), you'll be able to import the Goldberg score and adapt it to your needs.
The comparison is made against MuseScore 1.3 which is more than 2y old. MuseScore 2.0 has been majorly improved on its default engraving quality.
It's open source because the recording comes with the sheet music in an open digital format. Compare it the source of a picture, which is light. The source of classical music is the musical score.
From the Open Goldberg Variations blog: "iPad owners can now enjoy the Open Goldberg Variations, played by Kimiko Ishizaka, while following the score on their iPad. MuseScore has released a free iPad app that is dedicated to the music, the score, and the history of the Open Goldberg Variations project. Have fun!" Link: http://bit.ly/LqR6SQ
Lilypond does not have MusicXML export, so anything you make in Lilypond is not exportable via the sheet music exchange standard. This is different for this project: you get the Goldberg Variations in MuseScore source format and MusicXML, and many other formats (pdf, midi, ...)
So whatever notation software you use (MuseScore, Sibelius, Finale, ...), you'll be able to import the Goldberg score and adapt it to your needs.
Here is a good article by Alexander Prodoukine in which it's explained how MuseScore improved while typesetting the Goldberg Variations: http://libregraphicsworld.org/blog/entry/open-goldberg-variations-mission-accomplished