They were formed in Nuevo León when Eugenio Abrego and Tomas Ortiz met in a club in the mid-1940s focusing their activities around the area of Monterrey, Reynosa, and finally settling in McAllen, Texas.
[2] The duo also took part in cross-marketing moves, including a spot on the bill in the first Polka Festival which was held in Chicago in the mid-1960s.
The group also had an appearance in several films, including Pueblito, a 1961 melodrama directed by Emilio Fernandez.
Los Alegres de Terán were inducted into the Tejano Conjunto Hall of Fame in 1983.
The Brothers joined Tomas and they worked as a group as Los Alegres De Terán.