Additionally reason Novoselic invited Grohl producer Butch Vig is that no other producer on the album Nevermind Nirvana, a reunion that was not weird enough.
Dave Grohl Says to The Sun, as quoted NME.com, "I invite Krist because there is the presence of Butch as a producer and has 20 years we have never worked in the studio together." Dave added, "I have tried to make Foo Fighters stand alone for 17 years last. I tried very hard to get out of the shadows of Nirvana and I do it the honorable way. "
The song "I Should Have Known" a lot of memory back when he was still in Nirvana. "'I Should Have Known' is a song not a song Foo Fighters and Nirvana, but there are moments that really remind me of 1991, I do not be standing here if it were not for Nirvana, I owe a lot to Nirvana, "says Grohl.