It can't be shut down. That's the issue! It's a decentralized encrypted network not so unlike Gnutella.
My suggestion for all of you is to download the latest Morpheus client from download.com before it gets pulled off, if such a thing is true, because the network can't die. It's a monster that cannot be killed, so free music will always be there.
FYI, Kazaa can bite me. It has at least 3 spyware programs, and if you are savvy enough to remove them, Kazaa won't work. Plus, it's identical to Morpheus, which has no spyware (although it does have banner ads).
Melon
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"He had lived through an age when men and women with energy and ruthlessness but without much ability or persistence excelled. And even though most of them had gone under, their ignorance had confused Roy, making him wonder whether the things he had striven to learn, and thought of as 'culture,' were irrelevant. Everything was supposed to be the same: commercials, Beethoven's late quartets, pop records, shopfronts, Freud, multi-coloured hair. Greatness, comparison, value, depth: gone, gone, gone. Anything could give some pleasure; he saw that. But not everything provided the sustenance of a deeper understanding." - Hanif Kureishi, Love in a Blue Time