Share Aussie pop star Jessica Mauboy added: 'That's the most magical part.' The Blinds: Rita is hoping to hear something special that will make her spin her chair around Impressed: Country music star Keith is looking for a singer who 'stops me in my tracks' Country music star Keith is looking for a singer who 'stops me in my tracks'. Guy, who is returning for a third season on the coaching panel, said: 'I'm listening for a voice that leaves me no choice but to turn my chair.' One of the singers set to perform at the Blinds is Mick 'The Mower Man' Harrington, who stuns with his rendition of Judy Garland's Somewhere Over the Rainbow.