The first news about musical activity in the Rio de la Plata entered the name of a group of musicians belonging to the expedition of Don Pedro de Mendoza, the day on February 3 founded 1536, Buenos Aires.
Juan Jara, Diego de Acosta, Antonio Rodriguez, Rodrigo de Melgarejo, Juan Gabriel Lezcano and others are the names of the musicians assigned to the expedition.
Some were minstrels, as Diego de Acosta, Seville, which remained in these lands until 1546.
minstrels were called to certain public artists responsible minister, namely supply, musical accompaniment. Had poor and humble, others were standing and well-paid servants of the nobles and royalty.
Juan Jara was also minstrel, role played by the King of Portugal.
Antonio Rodríguez, Portuguese, after landing in Buenos Aires is directed to the city of Asunción and then Brazil, where he remained until his death in 1568. Rodrigo Melgarejo
discharged his duties as a musician among the Guarani Indians.
But perhaps the most important was Juan Gabriel Lezcano, who should be the foundation of Asuncion, Paraguay's first school of singing and music of these regions.