ロバート英会話コミュのBest movies of all time

What are the best movies of all time? Which do you think should be watched by everybody?

Today I was trying to tell Daido about Spinal Tap, which is one of the best movies of all time.
The movie was so influential that now MTV copies its style. It is one of the best movies because it has directly affected real life!
The group was parody of so many other bands. But now they do live tours!
Here is a recent video of a live performance. Pretty funny!!:
http://www.youtube.com/watch?v=EXy0hZDIrmY

Here is a description in Japanese Wikipedia (its a little long)
http://ja.wikipedia.org/w/index.php?title=%E3%82%B9%E3%83%91%E3%82%A4%E3%83%8A%E3%83%AB%E3%83%BB%E3%82%BF%E3%83%83%E3%83%97&oldid=12743007

スパイナル・タップ (Spinal Tap)は、映画作家クリストファー・ゲストによって映画『スパイナル・タップ』(This is Spinal Tap) の為に作り上げられた半分架空のロックバンド。または、米映画『This is Spinal Tap』の邦題であり、1984年に公開されたロブ・ライナー監督の「ロキュメンタリー」或いは「ロック・モキュメンタリー」作品。