The art of noise

Have you heard about white noise? You probably have. Imagine a piano which have one key for every Hz, if you press all the keys at once, the noise will be white noise. Now I have assumed that each key plays at the same volume. Have you heard about pink noise? Brown noise? There is a whole color spectrum describing noise! This wikipedia article was fun to read. http://en.wikipedia.org/wiki/Colors_of_noise