Columbia subject headings:
Harvard subject headings:
Casa A Eléctrica (Firm : Porto Alegre, Brazil)
Musical groups--Brazil--Discography.
Musical groups--Brazil--History.
Popular music--Brazil--History and criticism
Porto Alegre (Rio Grande do Sul, Brazil)--Economic conditions--20th century.
Singers--Brazil--Biography
Singers--Brazil--Discography.
Sound recording industry--Brazil--Porto Alegre (Rio Grande do Sul)--History.
Princeton subject headings:
Casa A Eléctrica (Firm : Porto Alegre, Brazil)
Musical groups--Brazil--Discography.
Popular music--Brazil--History and criticism.
Porto Alegre (Brazil)--Economic conditions--20th century.
Singers--Brazil--Discography.
Sound recording industry--Brazil--Porto Alegre--History.