Three hard-core crews of gold prospectors take the gamble of a lifetime and battle to strike it big, deep in the wild west of outback Australia. The soaring highs and the crushing lows of the gold season are revealed as the crews pursue their all-important targets – braving brutal heat, punishing conditions, mechanical breakdowns and constant pressure.

Backup singers live in a world that lies just beyond the spotlight. Their voices bring harmony to the biggest bands in popular music, but we’ve had no idea who these singers are or what lives they lead, until now.