Just like to point out something on Atom Heart Mother. If you go to track 5 and skip to 3.55. Now, there will be all the sound effects on the right and nothing in the left. But this is not totally true. Turn the volume up loud and you will hear some sort of weird, happy music lasting for about 5 seconds. What is this?

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And all the lot is what I got,
It's what I wear, it's what you see,
It must be me, it's what I am,
Vegetable Man.