decad

Etymology
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Noun

 * 1)  A group of ten notes from which the consonant triads may be constructed
 * 1)  A group of ten notes from which the consonant triads may be constructed
 * 1)  A group of ten notes from which the consonant triads may be constructed
 * 1)  A group of ten notes from which the consonant triads may be constructed
 * 1)  A group of ten notes from which the consonant triads may be constructed