Pedro Lopez is mainly known for his unique style of playing the Requinto and accompanying many well known artists in recordings and productions such as: Selena, Miguel Aceves Mejia, Aida Cuevas, Gilberto Valenzuela, Pedro Fernandez, Guadalupe Pineda, Graciela Beltran, Anacani, Yesenia Flores, Paloma San Basilio, Alvaro Torres, Francisco Madrigal, Mariachi Sol de Mexico de Jose Hernandez and Mariachi International de Mexico. He has also performed in various Mariachi Festivals held at the Hollywood Bowl.

Carlos Ayala, born in the city of Quito, Ecuador was destined to an illustrious music career. From his nimble beginnings, he was engrossed into the music realm, as he himself was a 3rd generation musician. At the tender age of 15, Carlos successfully established his first record which elevated him to the notorious ranks of artists in Ecuador. He soon developed friendships with such renown artists as Julio Jaramillo and Olympo Cardenas, as they toured the country of Colombia together and established a close relationship.

After his success in his native country of Ecuador, La Sociedad Ecuatoriana de Los Angeles contracted Carlos for a numerous amount of presentations in the United States, in which afterwards he decided to stay and continue his career in the land of opportunities. Carlos has been known as an integral part of many groups such as La Orquesta Sonora America, Trio Los Bardos, and Trio Mexico.

Carlos has been invited by Pedro Lopez to assume the role of lead singer, who is now performing with the eminent and successful Trio Casablanca.