Alentejo is also known for its polyphonic singing groups.
The Regional Choral Groups of Alentejo is a popular form of expression. There are male groups, female groups and mixed groups. But most groups are predominantly constituted by men.
- Choral Group: "Os Cigarras" de Aljustrel;
- Choral Group: of Viana do Alentejo;
- Choral Group: Cantares de Portel;
- Choral Group: "Os Almocreves" de Amieira;