# Basic music theory 2

Post on 15-Feb-2017

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<p>Basic Music Theory</p> <p>Basic Music TheoryLesson 2: Constructing Key signaturesCylent Beatz Production</p> <p>A semitone or half step is the movement of sharpening or flattening a note.</p> <p>C &gt; C# C &gt; Cb</p> <p>A tone or whole step consists of two semitone steps.CC &gt; D C &gt; BSemitone and tone</p> <p>2</p> <p>Key signatures are constructed using a series of tones and semitones.</p> <p>The order of which are determined by the quality of the scale. For example, whether it is major or minor.</p> <p>A keyboard can help in working out the steps.Constructing Key Signatures</p> <p>The order of these steps for the major scale are:</p> <p>T, T, S, T, T, T, S T = Tone S = Semitone</p> <p>Using that formula to construct A major:</p> <p>A B - C# - D E - F# - G# - A</p> <p>Constructing Key Signatures</p> <p>The order of these steps for the natural minor scale are:</p> <p>T, S, T, T, S, T, T T = Tone S = Semitone</p> <p>Using that formula to construct A minor:</p> <p>A B - C - D E - F - G A</p> <p>There exist other minor scales.</p> <p>Constructing Key Signatures</p> <p>There are three minor scales, natural, harmonic and melodic.</p> <p>The harmonic minor is the same as the natural minor scale except that the seventh degree is raised by a semitone.</p> <p>So, A harmonic minor will be as follows:</p> <p>A B - C - D E - F G# A</p> <p>Minor Scales</p> <p>For the melodic minor scale, take the natural minor and raise both the sixth degree and seventh degree by a semitone.</p> <p>A melodic minor scale:</p> <p>A B - C - D E F# G# A</p> <p>Minor Scales</p> <p>Questions?</p>