Complex sentence: Her first appearance was with the Philharmonic Society at Melbourne in 1892, and she sang frequently in Melbourne in 1893 at concerts and in oratorio, and was the principal contralto at the Australian Church.
Split into simpler sentences: Her first appearance was with the Philharmonic Society at Melbourne in 1892. She sang frequently in Melbourne in 1893 at concerts and in oratorio, and was the principal contralto at the Australian Church.