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Surprise! The same guys who recently released music inside an anatomically correct chocolate human heart once created an album that required four different CD players to listen to. In 1997, the Flaming Lips had the shockingly normal idea to release an album with eight songs. Easy enough, right? Wrong. Each song was separated into four tracks on four different discs that had to be played simultaneously to get the whole experience. So maybe vocals were on one CD, farm animals and honking horns were on another, and bass, guitar, and drums filled out the other two.

Even in the '90s, assembling four CD players in one room would have been a Herculean task. Most households only had one or two, with maybe a portable CD player for headphones if they were fancy. So fans were forced to organize "Zaireeka parties" to recruit the manpower necessary to listen the album.

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"We stuck King Crimson and Air on the other two speakers, just to make shit interesting."

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Speaking of having to work for your music ....