Amedeo Escobar
Amedeo Escobar( 1888–1973) was an Italian composer of film scores.
Abe Meyer
Abe Meyer( 1901 – 1969) was an American composer of film scores.
Thomas Morse
Thomas Morse( born June 30, 1968) is an American composer of film and concert music.
A. R. Rahman
Allahrakka Rahman ; born A. S. Dileep Kumar; born 6 January 1967), known professionally as A. R. Rahman, is an Indian music director, singer and music producer.
His works are noted for integrating Indian classical music with electronic music, world music and traditional orchestral arrangements.
He is nicknamed "Isai Puyalthe Musical Storm") and "Mozart of Madras".
Working in India's film industries, international cinema, and theatre, Rahman is one of the best-selling recording artists, with an estimated 150 millionrecords sold worldwide.
With an in-house studio (Panchathan Record Inn in Chennai), Rahman's film-scoring career began during the early 1990s with the Tamil film "Roja".
Rahman has also become a notable humanitarian and philanthropist, donating and raising money for a number of causes and charities.
In 2017, Rahman made his debut as a director and writer for the film "Le Musk".
Among Rahman's awards are six National Film Awards, two Academy Awards, two Grammy Awards, a BAFTA Award, a Golden Globe Award, fifteen Filmfare Awards and seventeen Filmfare Awards South.
He has been awarded the Padma Bhushan, the third highest civilian award, in 2010 by the Government of India.
In 2009, Rahman was included on the "Time" 100 list of the world's most influential people.
The UK-based world-music magazine "Songlines" named him one of "Tomorrow's World Music Icons" in August 2011.
Kannathil Muthamittal
Kannathil Muthamittal  is a 2002 Indian Tamil-language musical war drama film produced and directed by Mani Ratnam.
It was based on a short story, "Amuthavum Avanum" by Sujatha Rangarajan.
The film features Madhavan, Simran and P. S. Keerthana in the leading roles with Nandita Das, J. D. Chakravarthy, Prakash Raj and Pasupathy portraying other pivotal characters.
The film's score and soundtrack were composed by A. R. Rahman, while Ravi K. Chandran handled the cinematography.
Mani Ratnam presents the story of a child of Sri Lankan Tamil parentage adopted by Indian parents, whose desire is to meet her biological mother in the midst of the Sri Lankan Civil War.
Later on, the film was dubbed in to Telugu as "Amrutha" and in Malayalam with the same title.
The film premiered at the 2002 Toronto International Film Festival, It also received a strong reception when screened at the San Francisco International Film Festival in 2003.
The film received high critical acclaim upon release and went on to win six National Film Awards, three Filmfare Awards South, seven Tamil Nadu State Film Awards and Best Film awards at six international film festivals.
A. S. Laxmi Narayanan
A. S. Laxmi Narayanan( commonly referred to as Laxmi Narayanan) is an audiographer- sound engineer, mixer and sound editor from Vellore in Tamil Nadu.
He is based in Trinitydigi Labs's studio, the Panchathan Record Inn and AM Studios.
He won the National Film Award for Best Audiography for his work on the acclaimed feature film" Kannathil Muthamittal"( 2002), directed by Mani Ratnam.
He has also won the Tamil Nadu State Film Award for Best Audiographer for the various films in 2005.
Some of the films Narayanan has provided audiography for include" Kannathil Muthamittal"( 2002)," Aayitha Ezhuthu"( 2004) and" Bombay"( 1995).
He has worked with fellow National Film Award winning sound mixer and audiographer H. Sridhar.
Bert Grund
Bert Grund( 1920–1992) was a German composer of film scores.
Walter Ulfig
Walter Ulfig was a German composer of film scores.
Alonso Mudarra
Alonso Mudarra( c. 1510 – April 1, 1580) was a Spanish composer of the Renaissance, and also played the vihuela, a guitar- shaped string instrument.
He was an innovative composer of instrumental music as well as songs, and was the composer of the earliest surviving music for the guitar.
Henri Verdun
Henri Verdun( 1895–1977) was a French composer of film scores.

Question: What nationality is the composer of film Kannathil Muthamittal?
Answer: India