 In early December 2006 it was announced that founding drummer David Silveria would be taking an indefinite " temporary hiatus " from the band . Korn then performed at the MTV studios in Times Square on December 9 , 2006 , for the MTV Unplugged series , which was broadcast on February 23 , 2007 , through MTV.com and on March 2 , 2007 , across North American , South American , European and Asian MTV stations . Korn played a 14 @-@ song acoustic set complete with guest appearances by The Cure and Amy Lee of Evanescence . The performance was eventually cut down to 11 songs for the album , two of which did not air on MTV . Sales of nearly 51 @,@ 000 brought MTV Unplugged : Korn to number nine in its first week out . 
