Short answers, pulled from the story.
Kid Frost released Hispanic Causing Panic in 1990. This record became the first recognized Chicano rap album and its lead single La Raza combined East L.A. sounds with Tex-Mex elements.
Artists began blending traditional Mexican regional music with standard hip hop beats during the early 1990s. Groups like A Lighter Shade of Brown incorporated acoustic guitars playing Spanish melodies into their intros alongside samples from oldies and funk music.
Kid Frost started incorporating narcocorridos into his raps after releasing Smile Now Die Later in 1995. This sound connected Mexican folk music directly to the struggles related to immigration issues and drug trafficking along the US Mexico border.
Lil Rob of San Diego achieved significant commercial success during the 2000s when his album Natural High/High Till I Die sold 90,000 copies. The single Summer Nights received heavy rotation on radio stations unrelated to Chicano rap.
Thump Records, Urban Kings Music, and Low Profile Records introduced new artists while nationwide lowrider car tours sustained the scene outside mainstream media promotion. Dope House Records became a prominent label in Texas featuring South Park Mexican who blended Latin beats with G-Funk and corporate rap influences unique to Houston.