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 arranging parts. Barbershop music features songs with understandable lyrics and easily singable melodies, whose tones clearly define a tonal center and imply major and minor chords and barbershop (dominant and secondary dominant) seventh chords that resolve primarily around the circle of fifths, while making frequent use of other resolutions. What sets barbershop apart from other musical styles is the predominant use of the dominant-type seventh chords. Barbershop music also features a balanced, symmetrical form and a standard meter. The basic song and its harmonization are embellished by the arranger to provide appropriate support of the song's theme and to close the