Question:  Hariharan Pillai Happy Aanu contains music by which arranger from Kerala?

full_context: Document 1: Hariharan Pillai Happy Aanu: Hariharan Pillai Happy Aanu (English translation: "Hariharan Pillai is happy") is a 2003 Malayalam film by Viswanath starring Mohanlal and Jyothirmayi. This was Viswanathan's debut film as a director and the debut music directorial venture of renowned pianist and arranger, Stephen Devassy.
Document 2: Vizha: Vizha (English: Function) is a 2013 Tamil film directed by Barathi Balakumaran. It stars Mahendran and Malavika Menon. The film, based on the award-winning short film "Uthiri", portrays the love story of Sundaram (Mahendran), who plays the thappu instrument at death functions, and Rakkamma (Malavika), an oppari singer. Extensively shot in Madurai, it has music composed by James Vasanthan, while U. K. Senthilkumar worked as the cinematographer and Praveen K. L.-N. B. Srikanth edited the film. "Vizha" was produced by Rama Narayanan and Sunir Kheterpal for Sri Thenandal Films, Azure Entertainment and JV Media Dreams. It releases on 27 December 2013.
Document 3: Rohan de Silva: Rohan De Silva is a Sri Lankan pianist. De Silva initially studied at Isipathana College, Colombo and later he migrated abroad to study at Royal Academy of Music, London and The Juilliard School, New York, while working closely with violin pedagogue Dorothy DeLay. He has been awarded numerous prizes and scholarships including a special prize as Best Accompanist at the 1990 Ninth International Tchaikovsky Competition in Moscow. The following year, De Silva joined the collaborative arts and chamber music faculty of the Juilliard School. In 1992, he was awarded honorary Associate of the Royal Academy of Music. His radio and television credits include The Tonight Show, CNN’s “Showbiz Today”, NHK Television in Japan, NPR, WQXR and WNYC in New York, and Berlin Radio. He has recorded for Deutsche Grammophon, CBS/Sony Classical, Collins Classics in London, and RCA Victor.
Document 4: Mohanlal: Mohanlal Viswanathan Nair (born 21 May 1960), better known as Mohanlal, is an Indian actor, producer and singer best known for his work in Malayalam cinema.
Document 5: Divya S. Menon: Divya S. Menon (born 14 March 1987) is an Indian singer and television anchor from Kerala. Divya is a playback singer in Malayalam who has also recorded songs for Tamil and Telugu films. Divya started anchoring musical shows in Asianet Cable Vision (Thrissur) and has done musical shows in YesIndiavision(Mementos) and Kairali Channels(Ganamela, Sing 'N' Win and Rain drops). She started her film career with Ee Pattanathil Bhootham. She was noticed by Shaan Rahman while anchoring music shows and picked her for Vineeth Sreenivasan - Shaan Rahman debut album, Coffee @ MG Road. She is associated with Blogswara and have sung in multiple albums in the series. Divya has sung in Vineeth Sreenivasan's super hit romantic movie, Thattathin Marayathu composed by Shaan Rahman. She has been associated with Vineeth - Shaan ventures, including Malarvadi Arts Club. In 2014 the hit wedding song "Thudakkham Maangalyam" from Anjali Menon's Bangalore Days gave her much popularity which she sang along with along with Vijay Yesudas and Sachin Warrier composed by Gopi Sunder. In 2015 Divya was noticed more promptly when she sang the song "Puthumazhayai" from Martin Prakkat's Charlie (2015 Malayalam film) composed by Gopi Sundar while the same song was sung by Shreya Ghoshal too. She also sang several ad jingles for various music composers both in Malayalam and Tamil.
Document 6: S. P. Venkatesh: S. P. Venkatesh is a music director and composer popular for his works in the Malayalam film industry.His father Pazhani was an accomplished Mandolin player.During his early days S.P.Venkatesh used to be adept at playing Guitar,Banjo and Mandolin.He was an assistant music director to Shyam and Raveendran Master during his early days. S. P. Venkatesh was introduced into the Malayalam film industry by Dennis Joseph. The major break for S. P. Venkatesh came in the form of the film "Rajavinte Makan", directed by Thampi Kannanthanam. The film and the songs in it turned out to be big hits. From then on he became an integral part of Thampi's ventures. It was Thampi kannanthanam who exploited the musical talents of S.P.Venaktesh which resulted in a series of musical hit albums during the nineties. He soon became one of the top music directors of the early and mid-nineties. "Indrajaalam", "Kilukkam", "Minnaram", "Sphadikam", "Dhruvam", "Kauravar", "No.20 Madras Mail", "Manthrikam" were among the influential film scores he created.
Document 7: Stephen Devassy: Stephen Devassy (Malayalam:സ്റ്റീഫൻ ദേവസ്സി, born 23 February 1981) is a musician hailing from Palakkad, Kerala. He started his career at an early age, and has performed on stage around the world. He also holds the record for being the highest Asian scorer in Piano exams from Trinity college of music,london
Document 8: U. Srinivas: Uppalapu Srinivas (28 February 1969 – 19 September 2014) was a virtuoso Indian mandolin maestro and composer belonging to the classical Carnatic musical tradition. Srinivas was one of the most globally beloved South Indian musicians and is regarded as the Mozart of classical Indian music." Over his career, he toured across the world, and collaborated with John McLaughlin, Michael Nyman, and Michael Brook. At a very young age he was internationally viewed as the successor to Pandit Ravi Shankar.
Document 9: Balázs Fülei: Balázs Fülei was born in Kecskemét, Hungary 1984. He started to learn music at the age of eight, his first teacher was Katonáné Szabó Judit. In the Bartók Conservatory, Budapest, his professors were Gábor Eckhardt and Balázs Réti, then he made his diploma with honours at the Franz Liszt Academy of Music, Budapest, 2008 in György Nádor, Márta Gulyás and Balázs Réti’s class. Balázs Fülei was an active participant in prof. Amadeus Webersinke, Florent Boffard, Ferenc Rados, Gábor Csalog, Norma Fischer, Zoltán Kocsis, Bertrand Ott, Jan Marisse Huizing, Jan Wijn, Boris Berman and György Kurtág's piano and chamber music courses. Balázs Fülei is living an active musical life as a concert pianist, he gave several concerts almost in every country in Europe, in China, Japan, Australia and in the United States. He was an artist of the International Miami Piano Festival, and the Ferruccio Busoni Festival. He won the 1st prize on the 10th Hungarian National Piano Competition, and in the Andor Földes Piano Competition of Liszt Academy of Music in 2003. He was the winner of the 43. "Arcangelo Speranza" International Piano Competition in Taranto Italy, May 2005, 3rd prize winner of the 25. International Piano Competition „Ettore Pozzoli” in Milan-Seregno in 2007. In 2007 Balázs Fülei got a special prize in the 13. International Tchaikovsky Competition in Moscow. He was selected twice to the New Masters On Tour by The International Holland Music Sessions in The Netherlands and played in 2007 in the Concertgebouw, Diligentia Den Haag and other capitals in Europe. He performed in a DVD recording in May 2006 in Tokyo, Japan with the ballades of Chopin and Liszt, then made his New York debut in Carnegie Hall, 2008. Balázs Fülei plays chamber and contemporary music many times, he played world prémieres of Hungarian composers. He is an artist of the Starlet Music Management.
Document 10: Deva (composer): Devanesan Chokkalingam, popularly known as Deva, is an Indian film composer and singer. He has composed songs and provided background music for Tamil, Telugu, Malayalam and Kannada films in a career spanning about 20 years. Many know his gaana songs, written mostly using Madras Tamil. He is known as the "Father of Gaana Genre" in the Tamil film industry.
Document 11: Haricharan: Haricharan Seshadri, simply known and credited as Haricharan (born 20 March 1987), is a Carnatic vocalist, playback singer, and musician.
Document 12: Aref Durvesh: Aref Durvesh is a celebrated and prolific tabla artist who has recorded and performed with Badmarsh & Shri, Sting, Susheela Raman, Cheb Mami, Jeff Beck, Visionary Underground, and is also one of the longest-serving members of Nitin Sawhneys band, having performed on all of his albums as well as all his UK and international tours. His father was a musician, a disciple of Bismillah Khansahib, and a world-renowned shehnai player. Aref grew up with Indian music all around him and fell in love with tabla. Aref has taken traditional tabla performance into a new dimension by integrating it into contemporary urban music, jazz, hip hop and fusion, as well as being a virtuoso in the traditional skills. He is now extending his talents to producing his own album and performing live under his own name, while continuing to tour with Nitin and Shusheela.
Document 13: James Vasanthan: James Vasanthan is a popular Indian television (Tamil) anchor and a film music composer. For more than a decade, he has worked as an anchor in popular Tamil satellite television channels like Sun TV, Vijay TV and Makkal TV before turning into a film music composer in the Tamil Film Industry.
Document 14: Sudheer kadalundi: Sudheer Kadalundi is an Indian musician, best known for setting world records for his marathon performances of the tabla. He played the tabla non-stop for 10 hours on June 14, 2003, and for 13 hours on August 15, 2004. He then beat his own record by playing for 56 hours in 2005, then for 102 hours and 45 minutes in 2008.
Document 15: Pacchimiriam Adiyappa: Pacchimiriam Adiyappa was a famous court musician at the Maratha kingdom of Thanjavur in the 18th century. He was a composer of Carnatic music. Some of his famous disciples were Syama Sastri, one of the Trinity of Carnatic composers, and Ghanam Krishna Iyer. His compositions are in the Telugu language.
ground_truth: Stephen Devassy