Agustín Barrios-Villancico de Navidad

Agustín Pío Barrios (also known as Agustín Barrios Mangoré and Nitsuga—Agustin spelled backward—Mangoré; May 5, 1885 – August 7, 1944) was a Paraguayan virtuoso classical guitarist and composer, largely regarded as one of the greatest performers and most prolific composers for the guitar.