Analysis of information sources in references of the Wikipedia article "Manuel Campoamor" in English language version.
El repertorio de aquella época sonaba con los tangos de Campoamor: "La cara de la luna", "Ahí nomás", "El sargento Cabral", "Mi capitán" y "En el séptimo cielo".
The Tango came from the brothels and low cafes of Buenos Aires at the turn of the century.