Intocable, started in 1993 in Zapata Texas, they're one of the most successful acts in the tejano-norteño sound of the Tex-Mex border region. Their most important albums includes Intocable IV, Contigo, and more recently, their blockbuster release X.
Rámon Ayala was a major influence to the group. Ricky Muñoz is the lead singer-accordionist, "La Coqueta" (The Flirt) was one of their earliest hits (mid 90's) and was later made into a music video. Read more on Last.fm