Abe Meyer
Abe Meyer( 1901 – 1969) was an American composer of film scores.
Henri Verdun
Henri Verdun( 1895–1977) was a French composer of film scores.
Kevin Moore
Kevin Moore (born May 26, 1967) is an American keyboardist, vocalist, composer, and founder of the Chroma Key music project.
He is also a former member of the American progressive metal/rock band Dream Theater, co-founder of the progressive rock supergroup O.S.I., and has composed film soundtracks.
Throughout his career, he has become known for his emotional music and lyrics, nomadic lifestyle and use of spoken word samples.
Moore started his music career in progressive metal band Dream Theater.
He contributed music and lyrics to the band's first three studio albums, but left the band during the recording of "Awake" to pursue his own musical interests.
Starting with 1998's "Dead Air for Radios", he has released electronica, ambient music through his solo project Chroma Key.
Moore has guested on several albums, including three Fates Warning albums.
This led Moore to form OSI with Fates Warning guitarist Jim Matheos in 2002, a band which combines progressive metal with electronica.
The fourth OSI album, Fire Make Thunder, was released in March 2012.
Moore has worked on other solo projects since leaving Dream Theater.
While living in Costa Rica, he produced a bi-weekly radio program for Radio for Peace International; a compilation of this work was released as "Memory Hole 1".
While living in Turkey, Moore produced the debut album of Turkish band Makine and wrote soundtracks for two Turkish films.
The soundtrack for the first film, "Okul", was released in 2004 as "Ghost Book".
The soundtrack for the second film, "Küçük Kiyamet", entitled "Shine", was released in 2010.
Walter Ulfig
Walter Ulfig was a German composer of film scores.
Thomas Morse
Thomas Morse( born June 30, 1968) is an American composer of film and concert music.
Amedeo Escobar
Amedeo Escobar( 1888–1973) was an Italian 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.
Bert Grund
Bert Grund( 1920–1992) was a German composer of film scores.
Tarcisio Fusco
Tarcisio Fusco was an Italian composer of film scores.
He was the brother of the composer Giovanni Fusco and the uncle of operatic soprano Cecilia Fusco.
Okul (film)
Okul ("School") is a 2004 Turkish horror-comedy film directed by the Taylan brothers (Yağmur Taylan and Durul Taylan).
It is adapted from the novel "Hayalet Kitap" by Doğu Yücel who also wrote the screenplay.
Kevin Moore provided the film's soundtrack.

Question: What nationality is the composer of film Okul (Film)?
Answer: American