Bananas in Pyjamas Soundtrack

It sounds as though there could be familiar music in this episode, like here where Rat In A Hat is pretend surfing, but I’m not sure on what it could be: https://www.youtube.com/watch?v=mCj5ElcqCb0#t=3m3s Other instances include the music played on the small ukuleles by the Bananas, and the music played in the moment with the disco ball.