Walter Ulfig
Walter Ulfig was a German composer of film scores.
Burton Lane
Burton Levy (February 2, 1912 – January 5, 1997) professionally known as Burton Lane, was an American composer and lyricist primarily known for his theatre and film scores.
His most popular and successful works include "Finian's Rainbow" in 1947 and "On a Clear Day You Can See Forever" 1965.
Bert Grund
Bert Grund( 1920–1992) 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.
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.
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.
Royal Wedding
Royal Wedding is a 1951 Metro-Goldwyn-Mayer musical comedy film starring Fred Astaire and Jane Powell, with music by Burton Lane and lyrics by Alan Jay Lerner.
The film was directed by Stanley Donen; it was his second film and the first he directed on his own.
It was released as Wedding Bells in the United Kingdom.
The story is set in London in 1947 at the time of the wedding of Princess Elizabeth and Philip Mountbatten.
Astaire and Powell play siblings in a song and dance duo, echoing the real-life theatrical relationship of Fred and Adele Astaire.
"Royal Wedding" is one of several MGM musicals that entered public domain because the studio failed to renew the copyright registration in the 28th year after its publication.

Question: What nationality is the composer of film Royal Wedding?
Answer: American