Question: Which country does music producer Basto come from, who worked with Will.i.am and Britney Spears on "Scream & Shout" in 2012?
Context: "Scream & Shout" is a song by American recording artists will.i.am and Britney Spears, taken from the former's fourth studio album "#willpower".  It was released on November 20, 2012 by Interscope Records as the second single from the album, and sent to mainstream radio in the United States on November 27.  The song was written by will.i.am, Jef Martens and Jean Baptiste and was produced by Martens under the alias Lazy Jay, with additional production by will.i.am.  "Scream & Shout" is an upbeat dance-pop song; its lyrics are about having a good time on a night out.  It interpolates a sample of the lyric "Britney, bitch", which was used on Spears' 2007 single "Gimme More". Britney Jean is the eighth studio album recorded by American singer Britney Spears, serving as the singer's second eponymous record after "Britney" (2001).  The album was made available for music download on December 3, 2013 through RCA Records.  It marks Spears' first major activity since the dissolution of her long-time record label, Jive Records, in 2011.  The singer began recording material for "Britney Jean" in May 2013, eventually continuing into October of that year.  On numerous occasions, Spears has described the album as the most personal record from her catalog.  Having assumed an integral position in its production, she co-wrote each track and collaborated with songwriters and producers including Sia Furler and will.i.am to achieve her desired sound.  Furthermore, the record features guest vocals from Spears' sister Jamie Lynn, T.I., and will.i.am. Oops!  I Did It Again: The Best of Britney Spears (stylized as oops!  i did it again the best of britney spears) is a compilation album of American singer Britney Spears.  It was released on June 15, 2012 by Sony Music Camden.  The album contains some early singles but is considerably filled with album tracks and bonus tracks from five of her studio albums: "...Baby One More Time" (1999), "Oops! ... I Did It Again" (2000), "Britney" (2001), "In the Zone" (2003) and "Circus" (2008).  The album does not contain tracks from "Blackout" (2007) or "Femme Fatale" (2011).  Its issuance with no official press release or announcement took both fans and critics by surprise.  When fans on Twitter asked about the compilation, global distributor Sony Music stated they had no knowledge of the album.  It was not released in the US for unknown reasons. Jef Martens (born 8 January 1975), better known by his stage name Basto (stylized as Basto!) , is a Belgian record producer, musician and DJ.  He primarily produces electro house music, and he is signed to the ARS label.  He has produced using various aliases such as Bitch Boys, Candyman, Dirty Bunch, DJ Basik, Felix Project, Jin Sonic, Kings of Porn, and Lazy Jay.  He was also a member of the Belgian dance group Lasgo.  Martens co-produced with the band in 2009 and 2010 on a number of singles.  He is best known for producing the Azealia Banks' hit debut single "212" under the alias of Lazy Jay, together with his brother Toon.  He also produced "Scream & Shout" for will.i.am and Britney Spears in 2012. Britney Spears: In the Zone is the fifth video release by American recording artist Britney Spears.  Released by Jive Records on April 6, 2004, it accompanied the album of the same name.  The DVD contains her ABC concert special "Britney Spears: In the Zone", as well as footage from live performances to promote the album.  It also includes the music videos for "Me Against the Music" and "Toxic" and their respective episodes of "Making the Video", as well as unreleased material, such as several new tracks. The Britney Spears doll is a celebrity doll made in the likeness of pop singer Britney Spears.  Several versions of the doll were released.  Each doll is dressed in costumes that resemble the clothing Spears had worn in concerts, appearances, and music videos.  The Britney Spears doll was the first doll produced by Play Along Toys. Throughout all 52 weeks in 2012, 21 songs topped the Mega Single Top 100.  The Single Top 100 is a chart composed by MegaCharts based on official physical single sales and legal downloads, and one of the three official Dutch record charts, the two others being the Dutch Top 40 and the Mega Top 50.  The first number-one hit on the chart in 2012 was Michel Teló's "Ai se eu te pego! ", and the last was will.i.am and Britney Spears' "Scream and Shout". Marina Kamen (aka MARINA), is a Director/Producer/Casting Director/Vocalist/Choreographer & Musician best known for her music in the advertising industry & fitness/health/dance music communities and has a large online catalogue of workout music, treadmill workouts and audio workouts including 50 albums, 450 Original Songs and 1,200 Online Musical Audio Programs.  Marina's EBook entitled "I'mSteppin' Out!" …confessions of a Food-a-Holic has sold around the globe for the past 15 years and is available on Iamplifi, Audible and on Amazon.  Kamen won the 2005 People's Choice Award in Podcasting .  MARINA's High-nrg Fitness Brand includes Radio and Television Broadcasts, Music, albums, and a Live Show currently playing in NYC called MARINA's High-nrg Fitness LIVE! …an Interactive Musical Theatre WORKOUT Experience.  MARINA's lifelong work merging the worlds of vocalisation and dance has brought her to work with Celebrity artists including Patti Labelle, Carnie Wilson, James Earl Jones, Mandy Patinkin, Gloria Gaynor, Britney Spears, Liza Minnelli and countless others.  In 1987, Kamen and her husband, Roy Kamen, opened Kamen Entertainment Group, Inc.  Kamen's credits in Radio and television advertising have included thousands of campaigns working for Starburst, PopTarts, Mercedes, Exxon Mobile, CocaCola, Dairy Queen, and Febreeze in the 1990s, in 2004, Marina Diretcted, Produced, Cast & Choreographed Britney Spears' Twister Dance Rave Global Television Campaign for Hasbro.  Kamen also Cast, Directed,Choreographed & Produced Television spots for Jenga Tetris & Bop It.  Kamen performs a series of live performance concerts around the country.  In the late 90s, it seemed impossible because she had three young children and was over 215 pounds.  Nonetheless, Kamen started to write and produce music aimed at the dance market.  High energy shows won awards, such as her "Silent Night" performance at Webster Hall in New York City.  Kamen taught aerobics classes in the 70's and 80's, and through her performances she began using dance music to drive her workout routines.  By singing, dancing, and eating well-portioned meals, she lost over 100 pounds.  Kamen released her debut album, "Um-Lotty-Da" in 1997.  Kamen quickly earned a reputation in the New York City club scene.  Her albums and performances garnered the attention of the Dance Organization of America.  This committee steered Kamen towards positions as a director and choreographer for Atlantic Records, Columbia Records, The Naras Foundation which Hosts The Grammy Awards.By the year 2000, Kamen had combined her previous experiences and started to sell her fitness music within the fitness community.  With her innovative approach and inspirational message, Kamen became a well-known persona in the world of Musical Fitness.  Kamen has produced material and live presentations for clients including QVC/Direct, Dynamix, Equinox Gyms, Jazzercise, Strive Enterprise with Bill Kazmier (ESPN), and Jackie Chan's CableFlex.  She has appeared on British TV on "Reborn in the USA," produced and televised from New York City by the producers of "American Idol."  Kamen has been covered in the NY Times, Daily News and Family Circle Magazine.  She can be seen on programing from The Discovery Health Network, PBS and Nickelodeon (The N), ShopNBC, The Tyra Banks Show & ABC NEWS.  Marina is also Hosting a Web Broadcast show entitled "MARINA's High-nrg Fitness Musical Health Talk" at http://www.musicalhealthtalk.com.  Ms. Kamen attended The Manhattan School of Music & Interlochen Arts Academy majoring in voice, violin, and composition.  Marina trained in dance with The American Ballet Theatre, Luigi & Frank Hatchett.  Marina also thanks her longtime friend in dance Francis Roach for his openness and dance talent over the years in addition to carrying out the teachings of dance Icon Luigi.  His work has helped to train thousands of dancers around the world. Simon Ellis is a producer and musical director who has worked with Britney Spears, the Spice Girls, Westlife, S Club 7 and East 17.  He co-wrote and produced the S Club 7 hits "Don't Stop Movin'", "Two in a Million", "Never Had a Dream Come True" and "Alive".  "Don't Stop Moving" won the Brit Award for Best British Single and the ITV record of the year award in 2001.  During 2008, Ellis was appointed the role of musical director for Britney Spears's The Circus Starring Britney Spears tour in Australia & New Zealand.  During 2011 Ellis was musical director for Spears's Femme Fatale Tour. "My Only Wish (This Year)" is a pop Christmas song performed by American recording artist Britney Spears.  It was written by Brian Kierulf, Josh Schwartz and Spears.  It was released originally in the Christmas compilation album "Platinum Christmas".  In it Spears asks Santa Claus to find her a lover during the holidays.  The track received mixed to positive reviews from music critics, however close to decade after release, reviewers felt the song could be considered a holiday classic.  "My Only Wish (This Year)" has charted in various countries, mainly on Billboard's Holiday Songs in 2011 and 2012.  On October 22, 2013, an audio-only video of the song was uploaded on Britney Spears' Vevo account.
Answer: Belgian