Korn performing live at Boost Mobile RockCorps concert at the Kodak Theatre. Los Angeles, California - 29.03.07

The two groups will host the Hallowe'en In Spring Costume Ball at the Hollywood Forever cemetery.

And they're planning to spook invited guests by staging the party extra late, from 10pm - in an effort to make sure everyone is there for midnight.

The cemetery certainly rocks - among the celebrities buried there are Johnny Ramone, and big screen icons like Valentino, Jayne Mansfield, Marion Davies and Tyrone Power.

Source: WENN