Though places and opportunities to play their music are somewhat limited in Uppsala, Sweden, heavy folk band Fränder—including their Estonian flautist, bagpipe player, and singer Säde Tatar—have taken it upon themselves to make their own events happen, and that includes the Nordic Now! festival in New York City. Soon, owing to the impact they’ve made, they’ll be working together with the renowned Lincoln Center for the Performing Arts. They’ll also be playing two dates in Ontario, Canada this...