Bert Grund
Bert Grund( 1920–1992) was a German composer of film scores.
Do Jasoos
Do Jasoos  is a 1975 Hindi film.
Produced and directed by Naresh Kumar, the film stars Raj Kapoor, Rajendra Kumar, Aruna Irani, Prem Chopra, Farida Jalal and Asit Sen.
The music is by Ravindra Jain.
Henri Verdun
Henri Verdun( 1895–1977) was a French 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.
Ravindra Jain
Ravindra Jain (28 February 1944 - 9 October 2015) was an Indian music composer, lyricist, playback singer.
He started his career in the early 1970s, composing for hit movies such as "Chor Machaye Shor" (1974), "Geet Gaata Chal" (1975), "Chitchor" (1976) and "Ankhiyon Ke Jharokhon Se" (1978).
He composed music for a lot of films and TV shows based on Hindu epics, including Ramanand Sagar's "Ramayan" (1987).
He was awarded the Padma Shri, the fourth-highest civilian award of the Republic of India in 2015 for his contribution to arts.
Thomas Morse
Thomas Morse( born June 30, 1968) is an American composer of film and concert music.
Abe Meyer
Abe Meyer( 1901 – 1969) was an American composer of film scores.
Walter Ulfig
Walter Ulfig was a German composer of film scores.
Amedeo Escobar
Amedeo Escobar( 1888–1973) was an Italian 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.

Question: What nationality is the composer of film Do Jasoos?
Answer: India