The K7 Series is a signature series of seven string guitars created by Korn's Head and Munky. They come factory tuned to: A, D, G, C, F, A, D (low to high). A seven-string guitar is simply a guitar with seven strings instead of the usual six. ... For other uses, see Korn (disambiguation). ... Brian Welch as member of the band KoЯn Brian Welch (born June 19, 1970 in Torrance, California), better known by his nickname, Head, was a member of the band KoЯn, who were an infulential group in the rise of the nu metal movement. ... James Munky Shaffer James Christian Munky Shaffer (born June 6, 1970 in Rosedale, California) is rock band Korns guitarist. ...