 Aired: Sep 22, 2015
Aired: Sep 22, 2015The first four a cappella groups set off on an electrifying journey under the...

Next episode, Gareth mentors four a cappella groups from different parts of the country, featuring students from Salford, a Midlands-based barbershop quartet, a group from Glasgow University, and a sextet from Birmingham.
Network: BBC Two
Production Country: United Kingdom
Genres:Reality-TV