The Heaviest, Metalest 99 Bottles of Beer on the Wall...EVER!!

99 metal musicians got together to sing "99 Bottles of Beer on the Wall" for a charity that provides foster care for older dogs. WARNING: Contains some words your Grandmother may not like. 

Few of the bands represented: Pantera, Mastodon, Slayer, Testament, Sepultura and more...

IF, you make it through all 23 minutes of this video - you need to get some hobbies