Question: Who composed the soundtrack for T.M. Karthik's debut film?

full_context: Document 1: Karthik (actor): Murali Karthikeyan Muthuraman (born 13 September 1960), best known by stage name Karthik, is an Indian film actor, playback singer and politician. He is the son of actor R. Muthuraman. He was first introduced by Bharathiraja in the film "Alaigal Oivathillai". He has primarily appeared in lead roles in Tamil films. He has also appeared in some Telugu films. Karthik has been the recipient of the Tamil Nadu State Film Awards and the Nandi Award. He has won four Filmfare Award for Best Actor - Tamil.
Document 2: Karthika Nair: Karthika Nair (born 27 June 1992) is an Indian film actress in the South Indian film industry. She made her debut in the 2009 Telugu film, "Josh" opposite Naga Chaitanya. She rose to fame starring in her second and her first successful Tamil film "Ko" opposite Jiiva. She found further success in the Malayalam film Kammath & Kammath opposite Dileep. She also played the role of "Devasena" in "Star Plus's" Period drama series "Aarambh."She is known for doing selective films and portraying variety of well written and challenging roles.
Document 3: Nayak (2001 Hindi film): Nayak: The Real Hero is a 2001 Indian Hindi language political thriller film directed by Shankar, and starring Anil Kapoor, Rani Mukerji, Amrish Puri, Paresh Rawal and Johnny Lever in the main roles. The film is a remake of S. Shankar's successful Tamil film "Mudhalvan" (1999). The film's score and soundtrack, composed by A. R. Rahman, were reused from "Mudhalvan" with Hindi lyrics. It was critically acclaimed and has since developed a mass cult following among audience. The film was a box-office failure, primarily because of poor marketing. It was one of the most expensive films to be completely shot in India. Over the years it has emerged as a cult film due to its strong fan following. At the same time this film was remade in Bangladesh named "Minister" directed by Kazi Hayat starring Manna (actor), Moushumi, Dildar and Kazi Hayat
Document 4: Aishwarya Rai filmography: Indian actress Aishwarya Rai, credited as Aishwarya Rai Bachchan after her marriage, has appeared in over 40 films in five languages, predominantly Hindi, Tamil and English. She made her acting debut in 1997 with a dual role in Mani Ratnam's Tamil political drama film "Iruvar", and her Bollywood debut that same year in the romantic comedy "Aur Pyaar Ho Gaya" opposite Bobby Deol. Rai followed it with a leading role in "Jeans" (1998), a high-profile Tamil film that was submitted as India's official entry to the Academy Awards. She won the Filmfare Award for Best Actress for her breakthrough role in Sanjay Leela Bhansali's romantic drama "Hum Dil De Chuke Sanam" (1999). Rai then starred as a singer in her second successful film of 1999the musical drama "Taal".
Document 5: Vignesh Karthick: Vignesh Karthick is an Indian film and television actor, Video jockey, Stand-up comedian Radio jockey and Film director. He started his career by acting and directing Short films and participating in reality shows, including the comedy game shows like "Athu Ithu Ethu" in STAR Vijay and Comedy Jodies in Zee Thamizh as a stand-up comedian. He later went on to host of those shows, especially the popular shows like "Suriya Vanakkam", "Thapal Petti En 8484" and many other shows in Sun TV and STAR Vijay respectively. In 2015, he started to work as Radio jockey with the radio station BIG FM 92.7. In 2016, he made his acting debut in films with "Natpadhigaram 79" and in television with "Pagal Nilavu". He will also making directorial debut in films with "Yenda Thalaila Yenna Vekkala".
Document 6: Guru (2007 film): Guru is a 2007 Indian drama film loosely based on the life of Dhirubhai Ambani, a business magnate who founded Reliance Industries. The film was co-written and directed by Mani Ratnam. It stars Abhishek Bachchan, Aishwarya Rai, R. Madhavan, Vidya Balan, Arya Babbar, and Mithun Chakraborty in the leading roles. The film also has Mallika Sherawat in a guest appearance. The score and soundtrack for the film was composed by A. R. Rahman. The film was dubbed and released simultaneously in Tamil as "Guru" and in Telugu as "Gurukanth". In the Tamil version of the film, the lead role (Abhishek Bachchan) was dubbed by Suriya. The film was released on 12 January 2007 with its première at the Elgin Theatre in Toronto, Canada, on Thursday 11 January 2007, making it the first Indian film to have a mainstream international première in Canada. The film was premiered in the Tous Les Cinemas du Monde (World Cinema) section of 2007 Cannes Film Festival.
Document 7: Karthi: Karthik Sivakumar (born 25 May 1977), better known by his stage name Karthi, is an Indian film actor who works in the Tamil film industry. The younger brother of actor Suriya, Karthi holds a Bachelor's degree in Mechanical Engineering and master of business administration in Industrial Engineering. Since he had always wanted to become a film director, he returned to India and joined Mani Ratnam as an assistant director. He was offered acting roles and made his acting debut in "Paruthiveeran" in 2007 as the title character, a careless village ruffian, winning critical acclaim and several accolades including the Filmfare Award for Best Actor and a Tamil Nadu State Film Award. His next role was that of a coolie in "Aayirathil Oruvan" (2010), an adventure film directed by Selvaraghavan. He achieved consecutive commercial successes with his subsequent releases – "Paiyaa" (2010), "Naan Mahaan Alla" (2010) and "Siruthai" (2011). After appearing in a series of box office flops, he starred in successful films such as "Biriyani" (2013), "Madras" (2014) "Oopiri" (2016), and "Kaatru Veliyidai" (2017) which established him in Tamil cinema.
Document 8: Subhash Ghai: Subhash Ghai (born 24 January 1945) is an Indian film director, producer and screenwriter, known for his works predominantly in Hindi cinema. His most notable works include "Kalicharan" (1976), "Karz" (1980), "Hero" (1983), "Meri Jung" (1985), "Karma" (1986), "Ram Lakhan" (1989), "Saudagar" (1991), "Khalnayak" (1993), "Pardes" (1997), "Taal" (1999), and Black & White (2008). In 1982, He started Mukta Arts Private Limited which, in 2000, became a public company, with Subhash Ghai as its executive chairman. In 2006, he received the National Film Award, for producing the social problem film "Iqbal", in the same year he founded the Whistling Woods International film and media institution in Mumbai. In 2015, He received the IIFA Award for outstanding contribution to Indian Cinema.
Document 9: Arya (actor): Jamshad Cethirakath, known by his stage name Arya, is an Indian film actor and producer, who mainly appears in Tamil films besides appearing in a number of Malayalam productions. He made his breakthrough portraying rogue characters in Vishnuvardhan's "Arinthum Ariyamalum" (2005) and "Pattiyal" (2006). He later won critical acclaim for playing an Aghori in Bala's "Naan Kadavul" (2009). Arya gained further commercial success with the release of the period drama "Madrasapattinam" (2010), the comedy film "Boss Engira Bhaskaran" (2010), and family action film "Vettai" (2012). Arya has won the Filmfare Award for Best Male Debut – South and received two nominations each for Filmfare Awards and Vijay Awards. In 2011, he was awarded the Kalaimamani by the Tamil Nadu government.
Document 10: Arjan Bajwa: Arjan Bajwa (born 3 September 1979), is an Indian film actor known for his work in Bollywood and Telugu cinema. Arjan initially started off with Telugu films, breaking the usual norm of being the first North Indian actor to have played leading roles in 8 films of which 5 were successful. He then made his debut in Bollywood with director Mani Ratnam's critically acclaimed film, "Guru", playing the antagonist opposite Abhishek Bachchan and Aishwarya Rai. Subsequently, he played the male lead in Madhur Bhandarkar’s "Fashion" with Priyanka Chopra. The film won him the Stardust Award for Breakthrough Performance while "Fashion" won several awards such as Filmfare, IIFA, Star Screen and Stardust Awards along with two National Awards. Bajwa also starred in the Telugu movie "King" along with Nagarjuna Akkineni and Trisha. He then appeared in another Telugu film "Arundhati" starring Anushka Shetty and Sonu Sood, which became the highest grossing Telugu film at its time of release.
Document 11: Vikram filmography: Vikram (often credited Chiyaan Vikram) is an Indian actor, producer, playback singer and former dubbing artiste known for his work in Tamil language films. He has featured in over 52 motion pictures, three television programs, and several music videos and commercials. An aspiring actor since childhood, Vikram modelled for television commercials and appeared in a short film, hoping to get noticed by casting directors. He made his television debut with the Doordarshan series "Galatta Kudumbam" (1988), following which his first feature film role came with the experimental film "En Kadhal Kanmani" (1990). His early career in Tamil cinema saw consecutive box-office failures, after which he attempted a transition to Telugu and Malayalam cinema. Vikram mostly played the lead roles in Telugu films, many of which were financial failures. In Malayalam films, he usually appeared in ensemble films, playing "second fiddle" to established actors like Mammootty and Suresh Gopi, which failed to help his career. Meanwhile, the few sporadic appearances he made in Tamil cinema also proved unsuccessful.
Document 12: Reliance Group: Reliance Anil Dhirubhai Ambani Group (Anil Dhirubhai Ambani Ventures Limited) is an Indian conglomerate, headquartered in Navi Mumbai, India. The company, which was formed after Dhirubhai Ambani's business was divided up, is headed by his younger son Anil Ambani. It has a market capitalisation of () and net assets worth () . The Reliance Group operates in over 20,000 towns and 450,000 villages in India, and abroad.
Document 13: T. M. Karthik: T. M. Karthik is a stage and film actor who acted in stage plays and feature films. He made his acting debut in films with "Guru" (2007).
Document 14: Guru (soundtrack): Guru is the soundtrack to the 2007 film directed by Mani Ratnam. The soundtrack was released on 18 November 2006. "Guru"'s music is composed by A. R. Rahman with lyrics provided by Gulzar.
Document 15: List of awards and nominations received by Vikram: Vikram is an Indian Tamil film actor. After making his cinematic debut in the 1990 film "En Kadhal Kanmani", he acted in a series of small-budget Tamil, Telugu and Malayalam films. It was Bala's tragedy film "Sethu" (1999) that established Vikram in the Tamil film industry. In the early 2000s Vikram appeared in a series of masala films—"Dhill", "Gemini", "Dhool" and "Saamy" all becoming commercially successful. During this period, Vikram performed diverse roles and received critical acclaim for his performances in "Kasi" and "Samurai". In 2003, Vikram's performance as an autistic gravedigger in "Pithamagan" won a lot of acclaim and secured his first National Film Award for Best Actor. His portrayal as an innocent man with multiple personality disorder in Shankar's "Anniyan" was commercially successful. The film also fetched him a Filmfare Best Actor Award. Vikram's portrayal as a tribal leader in Mani Ratnam's "Raavanan" saw him secure further acclaim. He is only the third actor to receive a National Film Award for Best Actor in the Tamil film industry. Vikram is known for his intense performances, with his work often fetching critical acclaim and commercial success. He has won a National Film Award and seven Filmfare Awards South, of which five are Best Actor awards.
ground_truth: A. R. Rahman