The Great British Barbershop Boys - Evolution of Song
10:35
The Newfangled Four - Hello My Baby... Through the Years
8:16
if pop music was barbershop (FULL TRANSCRIPTION)
13:03
Main Street Explains Barbershop
4:29
Evolution of Music - Pentatonix
8:03
Funniest Classical Orchestra Ever... - Rainer Hersch
6:42
Dad forms a PHENOMENAL quartet with his SONS! I Audition I BGT Series 9
21:42
In the Key of Genius: Derek Paravicini and Adam Ockelford at TEDxWarwick 2013
8:21