Hang on, you think, did he sing it? I don't remember that. Then you think, but the music and acoustics aren't quite right.
It is the weirdest thing though.
There is also a section from 'Big Decisions' about the 1975 Australian constitutional crisis,
The 'Paul Keating' section in the middle is perhaps the most impressive
I also present 'The White Australia Policy'. Be warned, it is probably the last thing in the entire universe you want to find yourself singing, and it's very catchy.
More here, though I think those three are the best of the ones on YouTube