Motörhead Added To Mayhem Tour Travis Faulk 12 years ago Motörhead will join Slipknot, Slayer, Anthrax and others on the Rockstar Mayhem tour this summer. Share this: Motorhead Frontman Lemmy Kilmister Dead At 70Metallica, Motörhead, Tenacious D, More To Be On Dio Tribute AlbumMegadeth Announces Gigantour 2012