Bedřich Smetana (1824-1884), was a Chech romantic/nationalistic composer.

Smetana completed Wallenstein’s Camp in 1859.

Jean Sibelius (1865-1957), was a Finnish late romantic composer.

SSibelius completed Symphony No. 7 in 1924.

Carl Nielsen (1865-1931), was a Danish late romantic and 20th century composer.

Nielsen completed Symphony No. 4 in 1916.

Gustav Mahler (1816-1911) was an Austrian composer whose musical styles spanned the Late Romantic and Early Modern periods.

Mahler completed Symphony No. 6 in 1904.

Wolfgang Amadeus Mozart (1756-1791) was an Austrian composer of the classical period.

The Magic Flute was completed in 1791.

Hector Berlioz (1803-1869) was a French composer of the Romantic period.

Roméo et Juliette was completed in 1839.

Alban Berg (1885-1835), was a 20th Century Austrian composer.

Berg completed the Chamber Concerto in 1925.

Béla Bartók (1841-1904), was a 20th century Hungarian composer.

Bartók completed Concerto for Orchestra in 1943.

Béla Bartók (1841-1904), was a 20th century Hungarian composer.

Bartók completed The Miraculous Mandarin in 1945.

Maurice Ravel (1875-1937), was a French composer of Impressionist and Early 20th Century music.

Ravel completed Piano Concerto for the Left Hand in 1930.