Denver alt-rock band Radio Fluke has been rocking the Front Range since 2018, but its members feel like they’ve finally arrived with the dream Colorado gig: playing Red Rocks. After winning the Sundown Throwdown, sponsored by Colorado Native beer, Red Rocks Amphitheatre and Denver Film, the band will bring its funky, eclectic, blues-influenced rock and roll to Red Rocks on Monday, August 19, as the opener for the popular Film on the Rocks series, featuring 2015’s post-apocalyptic classic Mad Max: Fury Road…