The Australia Council for The Arts have three separate grants that are open to artists & songwriters. The deadline for each of them is May 5th.
International Pathways (up to $20,000) - to support international touring by Australian musicians performing predominantly original Australian music.
Presentation and Promotion (up to $30,000) to support one-off projects that present, publish, distribute or market quality music of any style within Australia
New Work (up to $20,000) - to support one-off creative projects of Australian music, sound art or media art, including songwriting.