For individual tracks: http://youtube.com/u ser/to0m4nyuser5
Taken from http://www.nicovideo .jp/watch/sm1659550 (registration required)
Wheeljack2k posted a link to part two http://youtube.com/w atch?v=P3B5t3Uhn90
I thought it was cute, though a bit lengthy. They used a program called Vocaloid2.