Title: So What (Joe Walsh album)
Content: Producers: Joe Walsh, John Stronach, Bill Szymczyk ; Engineers: Al Blazk, John Stronach, Bill Szymczyk ; Mixing: John Stronach, Bill Szymczyk ; Mastering: Rick Collins ; Design: Jimmy Wachtel ; Photography: Joe Walsh, Lorrie Sullivan ; Artwork: Jimmy Wachtel 
Title: So What (Pink song)
Content:  "So What" was written by Pink, Shellback, and Max Martin, drawing influences from the experience. Martin also handled the production and recording, which took place at Maratone Studios in Stockholm, Sweden. Al Clay also recorded the song at the House of Blues Studio – a recording studio in Los Angeles, California. The song was mixed at MixStar Studios in Virginia Beach, Virginia by Serban Ghenea. John Hanes edited the song using Pro Tools technology with assistance provided by Tim Roberts. The song was finally mastered by Tom Coyne at Sterling Sound in New York City, New York. The song's lyrical content was based on her separation from her husband, motocross rider Carey Hart. After reuniting with Hart on January 1, 2009, Pink told Ellen DeGeneres in an interview on DeGeneres' syndicated talk show that she found it "funny" to perform the song when he was in the audience and especially enjoyed the bit where she sang the line "You're a tool".
Title: So What (Jerry Garcia and David Grisman album)
Content: David Grisman – producer ; Craig Miller – executive producer ; David Dennison – recording, mixing ; Paul Stubblebine – mastering ; Alice G. Patterson – back cover photograph ; D. Brent Houseman – layout and design ; Jerry Garcia – original artwork 
Title: So What? (While She Sleeps album)
Content:  So What? (stylised in all caps) is the fourth studio album by British metalcore band While She Sleeps. It was released on 1 March 2019, through the band's independent label Sleeps Brothers, in collaboration with Search and Destroy, Spinefarm Records, UNFD, and Universal Music. The album was produced by the band themselves and Carl Bown.
Title: So What? (Ron Carter album)
Content:  So What? is an album by bassist Ron Carter recorded in 1998 and originally released on the Japanese Somethin' Else label with a US release on Blue Note Records.
Title: So What (Jerry Garcia and David Grisman album)
Content:  So What is an acoustic jazz album by Jerry Garcia and David Grisman. It was released on the Acoustic Disc record label in August 1998.
Title: So What (Pink song)
Content:  "So What" is a song recorded by American singer Pink for her fifth studio album, Funhouse (2008). The song was written by Pink, Max Martin, and Shellback, and produced by Martin. Selected as the album's lead single, "So What" was first released to mainstream radios on August 25, 2008, through LaFace and Zomba Label Group. The song consists of a martial beat and synth backing. The lyrics are based on her separation from motocross racer Carey Hart, which occurred six months prior to the release. "So What" received positive reviews from contemporary music critics; many praised it for its aggressive and empowering nature while others deemed it childish and bratty. The song was also successful commercially, topping the charts in several countries across Europe and 
Title: So What (Joe Walsh album)
Content: US-Gold 
Title: So What's New? (Dave Brubeck album)
Content: Dave Brubeck - piano ; Bobby Militello - alto saxophone ; Jack Six - double bass ; Randy Jones - drums Production ; Michael Bishop - engineer ; Russell Gloyd, John Snyder - producer  
Title: What (song)
Content: Marc Almond – vocals ; Dave Ball – backing vocals, synthesizers, producer ( only "....So") ; Don Wershba – engineering (on "What!") ; Harvey Goldberg – mixing (on "What!") ; Bill Clarke – engineering (on "....So") ; Mike Thorne – producer (only "What!") ; Huw Feather – sleeve design and hand colouring ; Eugene Adebari – cover photography ; "What" recorded at The Camden Cell, London ; "....So" recorded in The Box, West Yorkshire 

Question: Who was the producer of So What?
Answer: Max Martin.
Karl Martin Sandberg.
Martin White.