Choir is a musical ensemble of singers.
== History ===== Antiquity ===The origins of choral music are found in traditional music, as singing in big groups is extremely widely spread in traditional cultures (both singing in one part, or in unison, like in Ancient Greece, as well as singing in parts, or in harmony, like in contemporary European choral music)
Men's chorus (Male voice choir, Mnnerchor), a choir of adult men, low voices only, usually consisting of two tenors, baritone, and bass, often abbreviated as TTBB (or ATBB if the upper part sings falsetto in alto range)

