I mean that he was able to do this at all it shows what LISP can do, not literally. If you want to see the power of LISP though, http://www.gigamonkeys.com/book

I mean that he was able to do this at all it shows what LISP can do, not literally. If you want to see the power of LISP though, http://www.gigamonkeys.com/book/practical-an-mp3-database.html http://www.gigamonkeys.com/book/practical-an-mp3-database.ht..., and look how trivial it is to add functionality without changing the structure or semantics of the program.