Choreographer’s block. It’s the black cloud that all dancemakers—seasoned artists and green ones alike—experience at some point nearly every time they create. What separates the professionals from the novices is learning how to press on and not let it derail the work. We talked to six choreographers about what they do when they feel stuck. A common theme: When you are having trouble, chances are it’s because you’re challenging yourself in a way that you never have before.