This section is from the book "The Home Cyclopedia Of General Information", by Charles Morris. Also available from Amazon: Home Cyclopedia of Necessary Knowledge.
[L. scala, a ladder.] A scale in music, is a series of tones from the keynote to the octave. A chromatic scale includes 8 tones and 5 salf-tones. A diatonic or major or minor scale has eight sounds or tones.
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