They are four sisters who came from Ibirataia, Bahia, Brazil, and had given this name Quarteto Em Cy (Cy Four/Four In Cy) by Vinícius de Moraes and Carlos Lyra because of their names: Cyva, Cynara, Cybele and Cylene.
Their current formation is: Cyva, Cynara, Keyla Fogaça and Corina Viana.
They also joined with MPB-4 to form Octeto (Octet).
When they presented themselves to USA, they were known as The Girls From Bahia.