Melissa Kuypers/NPR This Is NPR Coco O. Hearts NPR July 8, 2013 Coco O and Robin Hannibal make up the Danish duo Quadron. They were introduced to each other as teenagers by a mutual friend because they both love 70s soul music. Coco O. came in to talk to NPR Host Rachel Martin about their new album Avalanche. On her way, out, Coco showed us some stylish love.