Sultan is a 2016 Indian romantic sports-drama film directed by Ali Abbas Zafar.
 Produced by Aditya Chopra under the Yash Raj Films banner, the film stars Salman Khan as the title character opposite Anushka Sharma.
 The film focuses on Sultan Ali Khan, a fictional wrestling champion from Haryana whose successful career creates a rift in his personal life.
Forever My Lady is the debut studio album by American R&B quartet Jodeci, released May 28, 1991, by Uptown Records and MCA Records.
 The album's production and composition was largely attributed to DeVante Swing, who worked alongside Grammy-nominated producer Al B. Sure!
 to craft the album's sound.
 Recording sessions took place at various recording studios during 1990 to 1991, and was relentlessly worked upon in order to shift the consensus with R&B music.
 The duo worked to add more of a hip-hop sound to the album, incorporating synthesizer-heavy rhythm tracks to compliment with the alternating themes discussed throughout the album, ranging from passionate and elegant songs about love, to energetic and swaggering songs centered around sex and partying.
 The group's emotionally transparent, self-absorbing lyrics are delivered in both rapped and sung verses, help to explore the feelings of love and seduction.
Bishakh-Kanish are a music directing duo of Bishakh Jyoti and Kanish Sharma who works for Hindi films.
Vishal–Shekhar is a music directing duo consisting of Vishal Dadlani and Shekhar Ravjiani.
 The duo is best known for their works in Hindi, Telugu and Marathi films.
Coil were an English experimental music group formed in 1982 by John Balance—later credited as "Jhonn Balance"—and his life partner and former Throbbing Gristle member Peter Christopherson, aka "Sleazy".
 The duo worked together on a series of releases before Balance chose the name Coil, which he claimed to be inspired by the omnipresence of the coil's shape in nature.
 Today, Coil remains one of the most influential and best-known industrial music groups.
Exile is the second studio album by English synth-pop duo Hurts.
 It was released on 8 March 2013 by Major Label.
 The album was produced by Hurts, along with Jonas Quant—with whom the duo worked on their debut album, "Happiness" (2010)—and Dan Grech-Marguerat. "
Miracle" was released on 11 January 2013 as the lead single from the album, followed by "Blind" on 10 May 2013 and "Somebody to Die For" on 21 July 2013.
 Upon release, the album debuted at number nine on the UK Albums Chart, while charting inside the top 10 in eight other countries.
Steely & Clevie was a Jamaican dancehall reggae production duo that was composed of members Wycliffe Johnson and Cleveland Browne.
 The duo worked with artists such as the Specials, Gregory Peck ("Poco Man Jam," 1990), Bounty Killer, Elephant Man, and No Doubt.
Vishal–Shekhar is a music directing duo consisting of Vishal Dadlani and Shekhar Ravjiani.
 The duo has worked in Hindi, Telugu and Marathi films including "Jhankaar Beats" (2003), "Dus" (2005), "Bluffmaster" (2011), "I See You" (2006), "Left Right Left" (2006), "Om Shanti Om" (2007), "Bachna Ae Haseeno" (2008), "Dostana" (2008), "Anjaana Anjaani" (2010), "Ra.One" (2011), "Student of the Year" (2012),"Chennai Express" (2013), "Bang Bang!
" (2014), "Happy New Year" (2014), "Sultan" (2016) and "Befikre" (2016)
Vivek Siva—Mervin Solomon is India's youngest music directing duo consisting of Vivek Siva and Mervin Solomon.
 They have worked together on Tamil language and Telugu films, including "Vadacurry" (2014), "Pugazh" (2016),"Dora" (2017) and "Gulebakavali" (2017).
Joachim Rønning and Espen Sandberg (collectively known as Roenberg) are a Norwegian film directing duo.
 They are best known for directing "Kon-Tiki" (2012), which was nominated for the Academy Award for Best Foreign Language Film.

Question: Which music directing duo worked on the film Sultan?
Answer: Vishal–Shekhar