Popular culture in the 1950's and 60's https://education.abc.net.au/home#!/topic/495864/popular-culture includes links to 'Surf culture hits Australia in the 1960s'
From the National Film and Sound Archives - Australia in the 1960s a range of videos covering Sydney in 1963, Melbourne in the 1960s, the Beatles in Australia, Johnny O'Keefe, about adverts including for Aeroplane jelly, Mr Sheen, and many more.
https://www.nfsa.gov.au/collection/curated/1960s-australia-fashion-pop-culture-and-events
The impact of American culture on Australia after WWII and th3e development of Australian culture.
https://www.britannica.com/place/Australia/The-ascendance-of-Australian-popular-culture