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A scale is a set of musical notes ordered by fundamental frequency or pitch. A scale is usually ordered by increasing pitch and is called an ascending scale. Scales generally span a single octave. Scales help you understand music, how to solo, improvise, analyse chords, chord progressions and songs among many other aspects of music.
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CAD, or computer-aided design, refers to any software used by architects, engineers, or construction managers to create precision drawings or illustrations of new buildings as either two-dimensional drawings or three-dimensional models.
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