Alfredo Bojalil Gil, also known as "El Güero," was a celebrated Mexican musician, born on August 5, 1915, in Teziutlán, Puebla, Mexico. He was the son of Lebanese immigrant Felipe Julián Bojalil and Carmen Gil, and grew up in a musically inclined family. Initially trained in the hairdressing trade, Gil's passion for music led him to learn the mandolin and later the guitar, which became his primary instrument.

In 1940, Alfredo joined his brother Felipe Gil, known as El Charro Gil, on a tour to New York. There, he met Jesús "Chucho" Navarro, and together with Puerto Rican tenor Hernando Avilés, they founded the legendary Trio Los Panchos in 1944. Gil was the third voice and played the requinto, a small guitar he invented, which became a staple in romantic Latin music.

Trio Los Panchos popularized the bolero genre worldwide with hits like "Sin Ti," "Sin un Amor," and "Quizás, Quizás, Quizás." Gil was a prolific composer, creating numerous boleros such as "Caminemos" and "Mi Último Fracaso." The group recorded over 300 albums and appeared in around 50 Mexican films, collaborating with artists like Eydie Gorme.

Alfredo Gil remained with Trio Los Panchos until his retirement in 1981. He passed away on October 10, 1999, in Mexico City, at the age of 84, due to complications from pneumonia, emphysema, and cirrhosis. His contributions to music, particularly the bolero, continue to influence and inspire musicians worldwide.