Question: What nationality was the female composer who came before Shirley Anne Walker?

Context articles: Grace Williams
Suzanne Ciani
Shirley Walker
Piano Concerto (Beach)
Awatef Abdel Karim
Anne Walker (astronomer)
Maddalena Casulana
Kamran Aziz
Ina Boyle
A Touch of the Other

Grace Mary Williams (19 February 1906 – 10 February 1977) was a Welsh composer, generally regarded as Wales's most notable female composer.
Suzanne Ciani (born June 4, 1946) is an Italian American pianist, composer and sound designer who found early success with innovative electronic music.
Shirley Anne Walker (née Rogers, April 10, 1945 – November 30, 2006) was an American film and television composer and conductor.
 She was one of the few female film score composers working in Hollywood.
 Walker was one of the first female composers to earn a solo score credit on a major Hollywood motion picture (preceded by Suzanne Ciani, who wrote the complete score to the film "The Incredible Shrinking Woman" in 1980, released January 1981) and according to the "Los Angeles Times", will be remembered as a pioneer for women in the film industry.
The Piano Concerto in C-sharp minor, Op. 45, is a composition for solo piano and orchestra in four movements by the American composer Amy Beach.
 The work was composed between September 1898 and September 1899.
 It was first performed in Boston on April 7, 1900, with the composer as the soloist and the Boston Symphony Orchestra performing under the conductor Wilhelm Gericke.
 The composition is dedicated to the musician Teresa Carreño and was the first piano concerto by an American female composer.
Awatef Abdel Karim (Arabic: عواطف عبدالكريم‎ ‎ ; born 1931) is an Egyptian composer of contemporary classical music.
 Karim is the first Egyptian female composer to formally study music composition.
 She has composed for piano, violin, choir, and orchestra, and has also written music for children.
 In 1991, she succeeded Gamal Abdel-Rahim as chairman of the composition and conducting department of the Cairo Conservatoire, serving in that position until 1997.
 A revised edition of her book, "Music Appreciation of Nineteenth Century Music" was published in 2005 in Cairo.
 She was awarded the State Merit Award in June 2006.
 Her notable students include Ahmed El-Saedi, Ali Osman, and Mohamed Abdelwahab Abdelfattah.
Anne Walker was a British astronomer and one of the first women employed in paid routine work in astronomy in her country.
 She was one of a number of women computers employed at Cambridge Observatory between 1876 and 1904.
 Unlike most of these women, Walker remained at the observatory for a significant period of time.
Maddalena Casulana (c. 1544 – c. 1590) was an Italian composer, lutenist and singer of the late Renaissance.
 She is the first female composer to have her music printed and published in the history of western music.
Kamran Aziz (1922 – 7 March 2017) was a Cypriot musician and pharmacist.
 She was the first female composer and the first female pharmacist in Turkish Cypriot society.
 She made significant contributions to Turkish Cypriot folk music to the extent that she started the genre in its modern sense.
 She was also one of the first female musicians to play in public and pioneered the playing and teaching of western music, along with her colleague, Jale Derviş.
Ina Boyle (8 March 1889 – 10 March 1967) was an Irish composer – the most prolific and significant female composer from Ireland before 1950.
A Touch of the Other is a 1970 British drama film directed by Arnold L. Miller and starring Hélène Françoise, Kenneth Cope and Shirley Anne Field.
 A London private detective finds himself the target of gangster.
 Delger, "the man who gets things done", finds himself involved in London's vice world, in between sleeping with his two neighbours Elaine (Shirley Anne Field) and Wendy (Hélène Françoise), a masseuse who "can't give a man a massage without turning him on".