ocr: BIO Modes (2of5) A mode, like a scale, is a series of pitches arranged in an ascending or descending order moving from one note to its octave. Each mode has a different arrangement of pitches. The Dorian mode, for example, is arranged in the following manner: W, 1/2, W, W, W, - 1/2, W. Each mode is written out here in the manner in which they are usually taught, which is to use only the white keys of the piano. Remember that any mode, like any scale, can be constructed starting at any pitch. The information here will serve as an introduction to modes. Their use in music is quite varied, and ca ...