Rocktagon: Hollywood Undead VS MastodonJackieJanuary 27, 2012Share on TwitterShare on Facebook2 Songs Enter, ONE song leaves. Cast your vote and decide the fate of a song... while simultaneously letting us know what you think suckS! Then Listen up at 8pm when the rocktagon challenge begins!Mastodon- Dry Bone ValleyHollywood Undead - LevitateRocktagon: Hollywood Undead VS Mastodon