Slipknot will be taking time out from the recording of their new LP to do a live show in California. The band and their manager, Steve Richards, are going head to head with the Grammy parties this year - Slipknot and Richards will host a Heavy Metal Masquerade Ball on February 20th @ The Palace Theater in Los Angeles (the night before the Grammy's). Scheduled to perform at The Palace that night with Slipknot include Fear Factory and Mudvayne...more acts are to be announced.