Eugene indie rock quartet ExWife will play their most high-profile local concert Saturday, August 23, at Market Fest, the Eugene Market District’s annual street fair celebration. Together in one form or another since 2020, ExWife released their debut album, Blow, this year. Singer, guitarist and primary songwriter Alexandria Bonanno says her band will premiere new music at the show, along with other surprises like a synthesizer interlude and their first cover. Eugene musician Nicholas Kauffman plays guitar in the group, Josh Mahurin-Chavez plays drums and Kadin Monegan plays bass. Bonanno says she grew up in what she calls a “fundamentalist Christian cult” near Prineville. While music and writing songs were…..