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
Hanger (barbershop music) either the Lead or Tenor. Some Barbershop arrangements have elaborate tags featuring a long hanger, and the hanger is usually sung at a high volume (fortissimo in musical terminology). The best singers in Barbershop quartets at the highest level of competition can sing hangers that can be upward of 20 seconds long. The combination of the one note, held long and loud, and the other three voices singing various creative harmonies around that one note, is one of the most thrilling aspects of Barbershop music. Singing a hanger is also referred to as posting a note. Hanger (barbershop music) A