Alexis Krauss and Derek Miller make up the raw, loud and addictive Brooklyn duo Sleigh Bells, but you should already know that. Chances are you were at their face-punching, sold-out show in October. Have you heard the story of the initial meeting of this pair? It plays out like the Brady Bunch. A chick named Alexis, who was once an elementary teacher, met Derek, a former Poison the Well member, while he was her waiter in a Brooklyn restaurant.