Barbershop quartet in the range of the classical countertenor range. Lead (often a lower tenor) usually sings the main melody. Baritone often completes the chord with a medium voice, usually slightly below (sometimes above) the lead. Bass always sings and harmonizes the lowest notes, often setting the root of the chord for root position chords, or singing the lowest note of the chord for inverted chords. Barbershop quartet A barbershop quartet is a group of four singers who sing music in the barbershop genre of singing, which uses four-part harmony without accompaniment by any instruments such as piano, a style called a
Barbershop quartet below the lead singer. Quartets can be male or female, but are generally not mixed male and female. A female barbershop quartet may be referred to as a Sweet Adelines quartet (taking the title from the barbershop classic "Sweet Adeline"), and the vocal parts have the same labels, since the roles perform similar functions in the quartet even though the vocal ranges are different. Most barbershop quartets are male. Barbershop singing originated in the late 1800s and early 1900s of America, a hybrid of both black and white expressive cultural forms at the time. The African-American influence is sometimes overlooked,