This is the 4335th most frequent Portuguese word.
angolana
"Angolana" means "Angolan" (female) in English, referring to someone or something from Angola.
Here, 'angolana' is an adjective describing Luisa's nationality (Angolan).
A Luisa é angolana e mora em Luanda.
Luisa is Angolan and lives in Luanda.
In this instance, 'angolana' is an adjective modifying 'receita', indicating that the recipe is from Angola, thus establishing a connection to Angolan culture.
Elas aprenderam a cozinhar uma receita típica angolana.
They learned to cook a typical Angolan recipe.
Here, 'angolana' again serves as an adjective describing the characteristic of 'música', associating it with Angola's cultural style.