Question: Who produced both Against Me!'s fourth full-length studio album, as well as the second studio album by Nirvana?

Context paragraphs:
Countdown to Nowhere: Countdown to Nowhere is the fourth full-length studio album from Allister, a pop punk band from Chicago, Illinois, released in Japan on June 16, 2010 and in the U.S. on October 5, 2010.  It was the band's first full-length album released in five years, and their first album released after the conclusion of their three-year hiatus.

54 Nude Honeys (album): 54 Nude Honeys is the eponymous fourth full-length album from Japanese punk rock band 54 Nude Honeys, released on July 9, 2003.  It is also the group's final full-length studio album.

New Wave (Against Me! album): New Wave is Against Me! 's fourth full-length studio album and their debut album on Sire Records.  Produced by Butch Vig of "Nevermind" fame, it was released on July 10, 2007.  The album debuted at #57 on the "Billboard" 200 on the week of its release.  The album's first single, "White People for Peace", was released in May 2007, prior to the album's release.  A second single, "Thrash Unreal", followed in July 2007.

Till Death Unites Us: Till Death Unites Us is the fourth full-length studio album by the Finnish melodic death metal band Norther.  It was released on 25 January 2006 through Spinefarm Records.  The album has no cover song, while most other Norther releases include such a song; this release marks their first studio album to not include a cover song.  The song "Scream" was released as a CD single.

Madness (Sleeping with Sirens album): Madness is the fourth full-length studio album by American post-hardcore band Sleeping with Sirens.  The album was released on March 17, 2015 through Epitaph Records.  The entire album was self-produced by Sleeping with Sirens with John Feldmann.  The album is the band's first release following their departure from Rise Records in 2014.  It's also the first record to feature guitarist Nick Martin (Cinematic Sunrise) who replaced former rhythm guitarist Jesse Lawson.  "Madness" was preceded by lead single "Kick Me" as well as a string of digital singles released in the days leading up to the album's release.  The album continues the band's progression to a more pop rock sound, but retains some post-hardcore influences on tracks.

Between the Stars: Between the Stars is the fourth full-length studio album by American rock band Flyleaf.  The album was released on September 16, 2014 through Loud & Proud Records.  The group funded the album through PledgeMusic.  It marks the group's first and only record to feature Kristen May on vocals, who replaced original vocalist Lacey Sturm who exited the band in 2012.  May exited the band in 2016.  It is the group's first album to be recorded by producer Don Gilmore.  Studio recording was completed in Los Angeles, CA.  The album's lead single "Set Me on Fire" debuted on July 1, 2014 at Revolver.

Nevermind: Nevermind is the second studio album by American rock band Nirvana, released on September 24, 1991 by DGC Records.  Produced by Butch Vig, "Nevermind" was the band's first release on DGC.  It was also their first album to feature drummer Dave Grohl.

Summer Bones: Summer Bones is the fourth full-length studio album from the American pop punk band Hit the Lights, released on March 24, 2015.  It was produced and mixed by Kyle Black (New Found Glory/Icon For Hire/Forever Came Calling).  This is the band's first release on Pure Noise Records, as well as being their shortest full-length album to date.  The album's final track features guest vocals from original vocalist Colin Ross.

Beam (album): Beam (stylized as BEAM) is the fourth full-length studio album by Japanese singer and songwriterMeg, released on December 5, 2007 in Japan by Universal J.  The album is produced by Capsule member Yasutaka Nakata of Perfume fame and is her first album under Universal Music.  The album also is simultaneously released with Nakata's other effort with Capsule, Flash Back.  The album debuted at number 24 in the Oricon Weekly Charts, selling 10,544 units on its first week of release.  "Beam" was also released in Taiwan on January 4, 2008, and is her only album released in the country.

On My Way Here: On My Way Here is the fourth full-length studio album released by Clay Aiken on May 6, 2008.  This album of both ballads and pop-rock is an eclectic mix of styles and tempos.  Aiken wanted to get away from using multiple producers and chose Grammy Award-winning British producer Mark 'Kipper' Eldridge (Sting, Chris Botti) to produce the album.  Jaymes Foster was the executive producer.  This was his final studio album for RCA.

Supporting paragraphs: New Wave (Against Me! album) Nevermind
Answer: Butch Vig