Media playback is unsupported on your device

Quartet become singing musketeers

1 August 2013 Last updated at 11:15 BST

Barbershopera are an a cappella quartet with fans across the globe.

They have recently returned from five sell-out gigs in South Korea and are now bringing their take on The Three Musketeers on a tour of the UK.

Peter Sorel Cameron, Laura Darton, Harry Stone and Russell Walker, who make up Barbershopera warmed up for their time on the road with a quick BBC Breakfast sing song...

Copyright © 2015 BBC. The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.