Guy Sebastian brings to life a song written by a mother's son that died before she could hear it. And drag queen Kristian Zorino performs a stripped down version of a classic for his wedding day to his boyfriend Russell.

Australian TV royalty Toni Lamond performs a signature song she never recorded during her illustrious career. And country boy Sam Sargood leaves his remote cattle farm to travel to the big smoke to record a song.

A Dementia crooner Noel O'Brien records a rat pack classic for his family. Tony Smith records a personal tribute with his sisters as a homage to their father. And Chloe and Torry record a lullaby for their unborn child.