In Texas’ 15th Congressional District, the Tejano musician is trying to remind voters of the Democratic Party their abuelitas supported for decades. The GOP incumbent casts him as a relic of a “corrupt, compadre system.”

Hinojosa has gone from unknown state lawmaker to Abbott’s most viable Democratic challenger yet — a surge that has dared Democrats to wonder if she could actually topple this mainstay of the Texas Republican establishment.

Local election officials must now process thousands of voter address updates before early voting starts Monday.