Four voices can be described in many different ways. It can be referred to as a quartet, four-part harmony, or a vocal ensemble consisting of four members. Another term used to describe four voices is a choral group, which typically consists of four different vocal parts. These parts include the soprano, alto, tenor, and bass. A barbershop quartet is another term used to describe four voices that typically perform a cappella music in close harmony. In traditional church music, four voices may refer to the four-part choir or a group of four soloists. In summary, there are many synonyms and terms that can be used to refer to four voices in music.