[youtube https://www.youtube.com/watch?v=hmSsxb3m0rs?rel=0&w=600&h=340]
«Variation 20» performance from 1955 recording by Glenn Gould followed by re-perfrormance of the same piece by Zenph (played completely by computer)
More information: http://www.nytimes.com/2007/03/12/arts/music/12conn.html?pagewanted=all&_r=0
«The music is the same, yet not the same. »