Originally Posted by: z0s0_jpyou need one of these....kurt used it.....http://www.musiciansfriend.com/product/Guitar/Effects?sku=153312
That would help more for Nevermind songs. If, as you say, it's In Utero sound you want...well, check out the site earthman posted. Lot's of good info.
You go outside and practice screaming. We'll play music while you're gone.