(1940-2019) was an Argentine singer-songwriter and poet, renowned for his heartfelt lyrics and distinctive voice. Born as José Alberto García Gallo in Rancul, La Pampa, Argentina, Cortez began his musical career in the 1960s and gained popularity in Latin America and Spain. He is best known for his songs that reflect on life's deeper meanings, love, and social issues. Some of his most famous tracks include "Cuando un amigo se va" (When a Friend Leaves), "Castillos en el aire" (Castles in the Air), and "Mi árbol y yo" (My Tree and I). His work is celebrated for its poetic depth and emotional resonance, earning him a lasting legacy in Latin American music.