Title: S.O.S. (S.O.S. Band album)
Content: Sigidi &ndash; producer, arranger ; Clarence Avant &ndash; executive producer ; Fred Wesley, The S.O.S. Band &ndash; arrangers ; Richard Wells, Ted Bush, Tom Race, George Pappas &ndash; engineers ; Tommy Cooper, Greg Webster &ndash; assistant engineers ; David Hassinger, Serge Reyes, Rhonghea Southern &ndash; mixers ; Neil Petinov &ndash; assistant mixer ; Mike Reese &ndash; mastering 
Title: I'm So Indicted
Content: Producer: Elaina Newport ; Director: Bill Strauss ; Sound Engineers: Jim Smith and Greg Hammon ; Pianists: Howard Breitbart, Eileen Cornett, Dave Kane, Marc Irwin, Emily Bell Spitz and Lenny Wiliams ; Cassettes and CDs pressed by Lion Recording 
Title: Sueña conmigo
Content:  Executive Producers are Sofia Ioannou, CEO of MTV Networks Latin America and Tatiana Rodriguez, Senior Vice President of Programming and Creative Strategy, Nickelodeon Latin America. The Televisa production area with Roberto Gómez Fernández in the lead, will actively participate in the creative process, to provide expertise on gender children and adolescents.
Title: Solo in Soho
Content: Kit Woolven – producer, engineer ; Tony Visconti, "Flash" Gordon Fordyce, Will Reid-Dick – engineers ; Ian Cooper – mastering ; Chris O'Donnell – art direction ; Linda Sutton, Roger Cooper – artwork and design ; John Swannell – photography 
Title: Sovran
Content: Arranged and produced by Johan Ericson and Draconian, co-produced by David Castillo and Jakob Hermann. 
Title: Perfect Velvet
Content: S.M. Entertainment Co., Ltd. – executive producer ; Lee Soo-man – producer ; Yoo Young-jin – music and sound supervisor ; Lee Seong-soo – producing director ; Jeong Eui-seok (S.M. Blue Cup Studio) – recording engineer ; Lee Min-gyu (S.M. Big Shot Studio) – recording engineer ; Lee Ji-hong (S.M. LYVIN Studio) – recording engineer ; Park Eun-kyeong (Lead Sound) – recording engineer ; Eazy $ign - EQ mixing engineer ; Oh Seong-geun (T Studio) – recording engineer ; Baek Kyeong-hoon (T Studio) – recording engineer ; Lee Joo-young (MonoTree Studio) – recording engineer assistant ; Nam Koong-jin (S.M. Concert Hall Studio) – mixing engineer ; Koo Jong-pil (Beat Burger) (S.M. Yellow Tail Studio) – mixing engineer ; Kim Cheol-soon (S.M. 
Title: So Full of Love
Content: Kenneth Gamble - producer, songwriter ; Dennis Harris - guitar ; Bobby Eli - guitar ; Roland Chambers - guitar ; Bunny Sigler - guitar, keyboards, piano, producer ; Norman Harris - arranger, guitar ; Ron Baker - bass guitar ; Eddie Levert - vocals, songwriter ; Sammy Strain - vocals ; Walter Williams - vocals ; Lenny Pakula - keyboards ; Leon Huff - keyboards, producer, piano, songwriter ; Earl Young - drums ; Don Renaldo - conductor, horn, strings ; Thom Bell - arranger, strings, producer, songwriter ; Larry Washington - bongos, percussion ; Vincent Montana Jr. - percussion, vibraphone ; Tony Sellari - art direction ; Bobby Martin - arranger 
Title: So (album)
Content:  bass guitar (track 7) ; Kate Bush – vocals (track 3) ; L. Shankar – violin (tracks 4 & 8) ; Larry Klein – bass guitar (tracks 5 & 6) ; Youssou N'Dour – backing vocals (track 5) ; Michael Been – backing vocals (track 5) ; Jim Kerr – backing vocals (track 5) ; Ronnie Bright – bass vocals (track 5) ; Djalma Correa – surdo, congas, triangle (track 6) ; Jimmy Bralower – programming kick (track 7) ; Bill Laswell – bass guitar (track 9) ; Nile Rodgers – guitar (track 9) ; Laurie Anderson – synthesizer and vocals (track 9) ; Greg Fulginiti – mastering Credits adapted from Sos liner notes. The track numbers correspond to the original release. 
Title: Sowiesoso
Content: Dieter Moebius – keyboards, percussion, vocals ; Hans-Joachim Roedelius – keyboards, percussion, vocals ; Conny Plank - producer 
Title: SO-SO (beatboxer)
Content:  Sota Kato (加藤 創太), better known as SO-SO is a Japanese beatboxer, looper, singer-songwriter and producer. He is currently a member of the beatbox crew SARUKANI.

Question: Who was the producer of So?
Answer: Daniel Lanois.
Daniel Roland Lanois.