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Breedsma In music, a breedsma is an interval between pitches with the ratio of 2401:2400,〔Haluska, Jan (2003). ''The Mathematical Theory of Tone Systems'', p.xxviii. ISBN 80-88683-28-9.〕 which is the difference between the septimal diesis (49:48, also known as Slendro diesis) and the septimal sixth-tone (50:49, also known as jubilisma).〔(【引用サイトリンク】 List of intervals )〕 It is about 0.72 cents (). : 2401/2400 = 128/75 / (8/7)4 : 2401/2400 = (7/6)4 / 50/27 It is therefore the difference between one kind of classic diminished seventh and four septimal major seconds, or four septimal minor thirds and one kind of classic major seventh. ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Breedsma」の詳細全文を読む
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