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
Ringmasters (barbershop quartet) Ringmasters (barbershop quartet) Ringmasters is a Swedish barbershop quartet affiliated with the Society of Nordic Barbershop Singers (SNOBS). The quartet received first place gold medals at the Nordic Barbershop Quartet Contest in Stockholm (April 2008), and won the Barbershop Harmony Society International Collegiate Championship in July 2008 in Nashville, Tennessee. On July 8, 2012 at the Society's International Convention in Portland, Oregon, they became the first quartet from outside North America to win the prestigious gold medal as International Quartet Champions. The quartet sings non-traditional barbershop harmonies with a contemporary touch. As a competing barbershop quartet, Ringmasters has earned several