The charity single features Guy Sebastian, Sheppard, Jon Stevens, Jessica Mauboy, Shannon Noll and Megan Washington.

[1][2] "Spirit of the Anzacs" is the first taste of an album that has brought soldiers' letters to life in song.

The project was inspired by Kernaghan's 2014 visit to the Australian War Memorial when he was shown archives of soldiers letters to family from the front lines.

[3] "Spirit of the Anzacs" is based on Paul Keating's 1993 eulogy at the interment of the Unknown Soldier.

The video shows the singers performing their parts of the song in a studio, overlapped with various pieces of war footage and photos.