Columbia subject headings:
Popular music--Brazil--1921-1930.
Popular music--Brazil--1931-1940.
Sambas.
Harvard subject headings:
Popular music--Brazil--1921-1930.
Popular music--Brazil--1931-1940.
Popular music.
Sambas (Music)
Sambas.
Princeton subject headings:
Popular music--Brazil--1921-1930.
Popular music--Brazil--1931-1940.
Popular music.
Sambas.