nbn blog have published a helpful article on free music streaming in Australia, such as services with a payless option. You can listen to your favourite songs or sample new songs. However there's always a catch whether its an advertisement during songs playing, no offline playlists or restrictions on audio quality. Overall its worthwhile checking out to see if suits your listening preferences.
Several free services are below:
To investigate visit nbn blog to read more via nbn blog free music services
Image courtesy: Spotify