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Basic music theory 2

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Basic music theory 2

  1. 1. Lesson 2: Constructing Key signatures Cylent Beatz Production
  2. 2.  A semitone or half step is the movement of sharpening or flattening a note. C > C# C > Cb  A tone or whole step consists of two semitone steps. C C > D C > B
  3. 3.  Key signatures are constructed using a series of tones and semitones.  The order of which are determined by the quality of the scale. For example, whether it is major or minor.  A keyboard can help in working out the steps.
  4. 4.  The order of these steps for the major scale are:  T, T, S, T, T, T, S T = Tone S = Semitone  Using that formula to construct A major:  A – B - C# - D – E - F# - G# - A
  5. 5.  The order of these steps for the natural minor scale are:  T, S, T, T, S, T, T T = Tone S = Semitone  Using that formula to construct A minor:  A – B - C - D – E - F - G – A  There exist other minor scales.
  6. 6.  There are three minor scales, natural, harmonic and melodic.  The harmonic minor is the same as the natural minor scale except that the seventh degree is raised by a semitone.  So, A harmonic minor will be as follows:  A – B - C - D – E - F – G# – A
  7. 7.  For the melodic minor scale, take the natural minor and raise both the sixth degree and seventh degree by a semitone.  A melodic minor scale:  A – B - C - D – E – F# – G# – A

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