G'day Charley,
I experienced similar buses in Timor (East and West) and similar train trips elsewhere and loved them but you'll not get such an experience in Oz. Africa is one of the two continents I've yet to visit but I'll get there one day. And I've been known to sing the odd hymn, too.

The train does have a buffet car but I can't remember anything about opening times. You can find info and book tickets at CountryLink

Cheers, Rowan