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 Harmony Society the old name for certain legal purposes. The old official name spelled "barber shop" as two words, while "barbershop" is generally used elsewhere. In reference to the acronym SPEBSQSA, The Society has said "attempts to pronounce the name are discouraged". Unofficially, it is sometimes pronounced as if it were spelled "Spebsqua". In late 2004, the Society established Barbershop Harmony Society as its new "brand name", with a logo and identity program released in 2005. Although the legal name remained SPEBSQSA, Inc., the decision was controversial, as many members felt that the new name did not reflect a mission of preservation