Rayane rests the berimbau against the whitewashed wall, shakes out her curls against the orange sky and holds out a hand to pull you up the last step onto the roof. Nossa, you came up! Come, meu bem, the view is for you and the lesson is for me. First rule: don't think, just follow. Second rule: if you step on my toes, I'll make you apologise in a very creative way.