Is harmony one note that everybody is singing? Or is it a whole lot of notes that are in vibrational harmony with each other? when you give your attention to anything the Universe responds to it. When two of you are giving your attention to it, and there is no contradiction, it is a powerful vortex. That's why a gathering such as this can achieve a great deal as you come together in greater and greater harmony and take thought beyond that which it has been before.