As if highlights from Lambing Live (Lambing Shed, 6.30pm, Kate Humble and Adam Henson present a look back at the challenges and risks faced by the Marstons in Cumbria over the week of Lambing Live) weren't enough excitement of a Saturday evening, BBC2 follow the highlights programme with the final instalment of Goldie's latest vehicle. The documentary reaches its conclusion as the DJ's chosen group returns to Christ's Hospital for two days of final rehearsals before performing at Buckingham Palace. In the presence of Prince Harry, the musicians reveal what they have achieved during the weeks of intensive masterclasses and musical workshops with industry experts.