I expected something of low quality, but these are actually very good! Impressive piece of work. Was this funded through kickstarter?
She is part of the Open Goldberg Variations, a Kickstarter funded, and Bösendorfer sponsored, team that recorded Johann Sebastian Bach's Goldberg Variations and released the score and recordings into the public domain in May, 2012.
Check out Friedrich Gulda's 'Mozart Tapes' for more of it.
The combination of an award-winning concert pianist + people who really understood the computational issues of music representation + the emphasis on high production value are a winning combo. My wife and I contributed a small amount to the Kickstarter project.