Thaai
Thaai (Tamil: தாய்; English: "Mother") is a 1974 Indian Tamil film, directed by D. Yoganand.
The film stars Sivaji Ganesan, Jayalalithaa, Kumari Padmini and S. Varalakshmi in lead roles.
The film had musical score by M. S. Viswanathan.
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.
Abe Meyer
Abe Meyer( 1901 – 1969) was an American 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.
Bert Grund
Bert Grund( 1920–1992) was a German composer of film scores.
Thomas Morse
Thomas Morse( born June 30, 1968) is an American composer of film and concert music.
Theodred II (Bishop of Elmham)
Theodred II was a medieval Bishop of Elmham.
The date of Theodred's consecration unknown, but the date of his death was sometime between 995 and 997.
M. S. Viswanathan
Manayangath Subramanian Viswanathan (24 June 1928 – 14 July 2015), also known as M.S.V., was an Indian music director, composer, and singer.
He was popularly known as "Mellisai Mannar" (Tamil for "The King of Light Music").
He composed songs for more than 700 Indian films across languages primarily in Tamil, Malayalam and Telugu films.
He has also acted and sung in a few Tamil films.
The Chief Minister of Tamil Nadu J Jayalalithaa conferred the "Thirai Isai Chakravarthy"
(Tamil for "The Emperor of Cine Music") title on him in August 2012 and presented him with 60 gold coins and a new car.
Viswanathan composed film music together with composer and violinist T. K. Ramamoorthy from the 1950s to 1965, as Viswanathan–Ramamoorthy for 100 Films.
Henri Verdun
Henri Verdun( 1895–1977) was a French composer of film scores.

Question: When did the composer of film Thaai die?
Answer: 14 July 2015