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A song that changes the musical genre in the middle of the song, as many Metallica songs do. A good example is the Metallica song "One", that starts out easy, but ends in metal.
Dude, this song totally has Metallica Syndrome
by Razputant April 13, 2009
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Jul 6 Word of the Day
Phrase meaning that a deceased cannot rest in peace until society changes due to the circumstances of a death.
People said rest in power for the unarmed man had been shot by the police.
by FooBarBiz October 12, 2017
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Otherwise known as the horrible affliction that swept the previously incredible 80's thrash metal bands in the early 90's, reducing them to greedy, selfish, hypocritical sell-out posers.

Subjects exhibiting Metallica Syndrome copies everything the disease's namesake does; build up a huge, devoted fanbase in the mid-80's underground by making fast, heavy, amazing albums, then suddenly fuck over all those true fans by releasing a softer, mainstream,album sometime around 1992-is, a sell-out album.

Later symptoms include earning a huge amount of money and even more fans (mostly weekend headbangers and posers), while abandoning devoted original fanbase, and core values and the style they were famous for in the first place.

More signs bands have Metallica Syndrome include a sudden, sharp increase of the band's attempted publicity, like on TV and the radio, conforming with mainstream music and its neverending attempt to force you to hear their music.

The last and most obvious symptom of the disease is making a 'comeback album', an CD like their 80's albums in style and intensity, basically one that should've been released in place of the shit albums. These albums sell just as well, if not better than their previous tries, and are often critically acclaimed as 'a return' or 'the comeback'. Most of the time, the bands have gone through a shitload of lineup changes and record labels, and don't sound the same, though faggot posers who say they like whatever band argue they do.
Unfortunately, several of the best thrash metal bands have been infected with Metallica Syndrome:
1. Megadeth (their non '...' containing album titles and Endgame)

2. Testament (anything in the 90's, basically, and The Formation of Damnation)

3. Exodus (1991-2007, followed by The Atrocity Exhibition later that year)
by xCFHx December 07, 2009
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