Una Bourne (1882-1974) was an Australian pianist and composer, and recorded extensively for HMV in the 1920s. However, most of her records did not last long in the catalogue after 1930.
Grieg – Violin Sonata No.3 in C minor
I. Allegro molto ed appassionato (2 sides)
II. Allegretto espressivo alla Romanza – Allegro molto – Allegretto espressivo alla Romanza (2 sides)
III. Allegro animato (2 sides)Marjorie Hayward, violin
Una Bourne, piano

Mediafire link for Grieg – Violin Sonata No.3 in C minor Op.45 – Hayward and Bourne

(This is a zip file – left click the link, download the file, then unzip when downloaded)

His Master’s Voice C 1388-90
Matrices Cc 6812-IV, 6813-VI, 6814-VIII, 7008-V, 7009-V, 7010-III (single side numbers 08254, 08258, 08266, 08267, 08255, 08259)
Recorded 11th November 1925 (side 1), 19th November 1925 (sides 2 to 6), Hayes
Chaminade – Nocturne Op.165
Chaminade – Berceuse Arabe Op.166
Una Bourne, piano
His Master’s Voice B 2524
Matrices Bb 9085-I, 9328-II
Recorded 7th October 1926, Hayes Studio B, and 18th October 1926, Small Queen’s Hall, Studio C