Avizo are a charting, Grammy-nominated tejano band from Houston, Texas whose sound also embodies cumbia, conjunto, salsa, and vintage R&B. They are locally known as "Houston's Powerhouse." The band was formed by trumpeter Robert Dorantes in Houston in 1984. His purpose was a kind of protest against tejano bands turning away from a traditional horn-based sound to one generated electronically by keyboards. But Avizo are not anti-keyboards; the group's front line includes them, as well as accordion. Though they originally performed Top 40 Latin and pop covers to get gigs, their e...