Barbershop music in tags or codas, or when some appropriate embellishment can be created. One characteristic feature of barbershop harmony is the use of what is known as "snakes" and "swipes." This is when a chord is altered by a change in one or more non-melodic voices. Occasional passages may be sung by fewer than four voice parts. Barbershop music is generally performed by either a barbershop quartet, a group of four singers with one on each vocal part, or a barbershop chorus, which closely resembles a choir with the notable exception of the genre of music. According to the Barbershop Harmony
Metropolis (barbershop quartet) Metropolis (barbershop quartet) Metropolis is a barbershop quartet affiliated with the Barbershop Harmony Society. The group won five consecutive medals with the Barbershop Harmony Society at their annual International Convention. Metropolis has performed over 460 stage shows in the United States and in Finland, Russia, England, New Zealand, The Netherlands, Japan and Ireland. They have performed in over 190 cities around the world and over 40 states/provinces in the USA & Canada. Metropolis appeared on "What's Your Hobby", as well as the pilot episode of the "Fourth Floor Show" on E! Entertainment Television with Vance DeGeneres, followed by the filming