Complex sentence: Los Panchos first met in 1944 in New York City, the first members were the Mexicans Alfredo Gil, and Chucho Navarro, who permanently formed part of the trio, and Hernando Aviles from Puerto Rico.
Split into simpler sentences: Los Panchos first met in 1944 in New York City. The first members were the Mexicans Alfredo Gil, and Chucho Navarro, who permanently formed part of the trio, and Hernando Aviles from Puerto Rico.