Earlier in the week they announced their leadership group, including three captains.

And on Saturday they begin their first full season in the big league.

So it was time for Greater Western Sydney, the new kids on the AFL block, to reveal their theme song. Or at least part of it.

In a teaser for Giants fans the club has released the opening few bars of the song they hope to hear at some stage in their inaugural season.

The full version will be released later.

The Giants join Western Bulldogs and Collingwood in a first-round NAB Cup series in the Sydney suburb Blacktown on Saturday.

Below is the teaser for the for the new Giants club tune.