A Tejano is a person from Mexico, or a person whose family is from Mexico, who lives in Texas.
[US]
...the growing popularity of Tejano music.
Tejano in American English
(tɛˈhɑnoʊ; təˈhɑnoʊ)
US
noun
1. Word forms: pluralTeˈjanos
a Texan of Mexican descent
2.
a style of dance music combining elements of Mexican folk music, German polka music featuring the accordion, and variously country music, jazz, rock, etc.