Parent type: Quartet

Definition: An ensemble of four singers. This type of ensemble can be mixed gender or single gender. Mixed gender ensembles usually consist of a soprano, an alto, a tenor, and a bass. Male groups usually consist of a first tenor, a second tenor, a baritone, and a bass. Female groups usually consist of a first soprano, a second soprano, a mezzo-soprano, and a contralto.

Uri: https://en.wikipedia.org/wiki/Quartet#Vocal_quartet

Vocal Quartet Ensembles

Name Creation
Hilliard Ensemble 1973
Il Divo 2003