协和音程是指听起来悦耳、融合的音程，完全协和音程也就是一度，八度。
n. consonance
不协和音程 Dissonant interval ; Dissonance
协和音程与不协和音程 Consonant Dissonance ; Consonant,Dissonance ; E ; U
不协和音程为二度和七度。
如在多声部音乐萌芽时期除了应用八度音程以外，人们只采用频率比数最简单的，即音响最协和的纯五度与纯四度音程；
Such as at the beginning periods of several-department music, people always adopt to the the most simple frequency or the purest perfcet fourth and fifth interval.
文章认为甘美兰音阶是对古老谐音类乐器音高关系的选择与应用；依据协和度定量计算公式论证构成甘美兰音阶基本音程值的协和性；
The writer proposed that the Ganmeilan musical scale was the result of choosing and application of the pitch relationship of the old harmonious kinds instruments;
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