Columbia subject headings:
Artists--Spain--Madrid--Biography--20th century.
Madrid (Spain)--Social conditions.
Musicians--Spain--Madrid--Biography--20th century.
Popular culture--Spain--Madrid--History.
Harvard subject headings:
Artists--Spain--Madrid--Biography--20 st century.
Musicians--Spain--Madrid--20th century.
Musicians--Spain--Madrid--Biography--20th century.
Popular culture--Spain--Madrid--History.
Princeton subject headings: