This image taken in 1931 is of Doreen D’Arcy’s Orchestra, a six piece dance band from Perth. There were a number of bands led by women in Perth at that time, including the all girl band led by May Salter called The Melody Girls.
Pictured from left, Arthur O’Keefe (bass, sousa), Ray Reason (trumpet), Norm Rider (drums), Doreen D’Arcy (piano, leader), Bob Gibson (saxophone, clarinet, violin), Wally Hadley (banjo, flute, guitar).
https://www.nfsa.gov.au/stories/articles/australian-jazz-archive