Barbershop music countertenor, the baritone resembles the Heldentenor or lyric baritone in range and a tenor in tessitura, and the lead generally corresponds to the tenor of classical repertoire, with some singers possessing a tessitura more similar to that of a high baritone. Barbershop singing is performed both by men's and women's groups; the elements of the barbershop style and the names of the voice parts are the same for both. The defining characteristic of the barbershop style is the "ringing" chord, one in which certain overtones of the four voices reinforce each other, sometimes so strongly that the overtone is perceived
Barbershop music women's barbershop choruses all around Australia. The following choruses have won the Regional Championship: Barbershop Harmony Society's Barberpole Cat Songs "Polecats"—12 songs which all Barbershop Harmony Society members are encouraged to learn as a shared canonic repertoire—all famous, traditional examples of the barbershop genre: The Barbershop Harmony Society announced on May 28, 2015, that the "Polecat" program would be expanded to include the following songs: Examples of other songs popular in the barbershop genre are: While these traditional songs still play a part in barbershop today, barbershop music also includes more current titles. Most music can be arranged in the