Igigi has a number of other videos on YouTube (not yet moved to the new site) like "I'm a Man, Not a Machine" -- I wonder if that title is inspired by Jaron Lanier's book "You Are Not a Gadget".
I have to say that not everyone likes the idea of the Mozart recomposition. There is a blog post by John Montanari on NPR, "Recomposition, or self-indulgence?" here,
Timo Andres now jas a detailed article in Wikipedia here.
Igigistudios's content disappeared in June. The site is still on Twitter and told me it would have a new site.