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Music Theory for Computer Musicians by Michael Hewitt

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3. The Major Scale

You can put your knowledge of the names of the notes on the MIDI keyboard to good use when approaching musical scales. A scale is a rising or falling series of notes, usually within the range of an octave—and repeated in all other octaves. Music of every possible kind uses scales. Notes are selected from a scale for the purposes of melody and harmony. In a melody, the notes of the scale are used successively—that is, as a linear progression of notes, as shown on the left side of Figure 3.1—whereas in a chord, different notes of a scale are played at the same time, as shown on the right side of Figure 3.1. Both draw their notes from a particular scale.

Figure 3.1. Notes C and E used melodically and harmonically.

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