more youtube video links

here are some links to cool youtube back masking videos
http://www.youtube.com/watch?v=PG0wksBzKSc <--- all of revolution 9 backwards
http://www.youtube.com/watch?v=8BZ57-qJTPA <---all of stairway to heaven backwards
http://www.youtube.com/watch?v=ZRxZCfvNkmI <---all of i am the walrus backwards