Barbershop music encompass both men's and women's singing in the barbershop style – in quartets and choruses. Sweet Adelines International and Harmony, Inc. are two women's barbershop singing organizations that operate globally and in North America, respectively. Other women's organizations include the Ladies Association of Barbershop Singers (LABBS) in the United Kingdom, the Spanish Association of Barbershop Singers (SABS) in Spain, and the Irish Association of Barbershop Singers (IABS) in Ireland. A barbershop quartet is an ensemble of four people who sing a cappella in the exacting barbershop music genre. In North America most male barbershop quartet singers belong to the Barbershop
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