Episode 4
Cardiff triumph when they sing Delilah to 75,000 people at the Millennium Stadium, but Birmingham falls to bits at Selfridges, and there are tears and tantrums from the London singers.
Other episodes for this season
Cardiff triumph when they sing Delilah to 75,000 people at the Millennium Stadium, but Birmingham falls to bits at Selfridges, and there are tears and tantrums from the London singers.