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225/128 |-7 2 2>

976.5374 cents

sound sample

The marvel five-limit harmonic seventh, 225/128, is the interval between the 5-limit minor second, 16/15, and the major second, 15/8. It is a marvel comma, 225/224, sharp of the harmonic seventh, 7/4, and so tempering out 225/224, which is marvel temperament, equates the two. Marvel tempering is a useful method of tempering the 5-limit to include septimal harmony, making two minor seconds a supermajor second, 8/7 and two major seconds into 7/6.