La Kostumbre

Norteño/Tejano group La Costumbre were formed by Zapata High School graduate Manuel Edgar Luján and Mexican native José Zamora Jr., making their debut with the release of a self-titled album on October 5, 1999. La Costumbre returned in 2001 with Déjame Ser, featuring Billboard's Hot Latin Track "Y Ya Después." ~ Drago Bonacich, All Music Guide

Source: http://new.music.yahoo.com/costumbre/biography/