Dumping a bucket of ice water on someone used to be reserved for football games and passed-out friends who won't get the hell off your couch. But somehow, the ALS Ice Bucket Challenge has become a cultural phenomenon raising awareness and money for a world without amyotrophic lateral sclerosis, aka Lou Gehrig's Disease.

Actors, comedians and even a former President has accepted the challenge, but this video is all about hard rock and metal musicians. In this clip, you'll see members of Pearl Jam, Slipknot, Foo Fighters, Anthrax and many others get doused with ice water for charity.

The ALS Association has raised millions of dollars thanks to the Ice Bucket Challenge, so keep the challenges going! For more information on ALS and how you can help fight the disease, click here.

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