121/81: Difference between revisions

why does this not have the fifth category
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Added discussion as a meantone fifth.
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'''121/81''', the '''Alpharabian narrow fifth''' (694.8¢), is a rastma [[243/242]] (7.1¢) below the just fifth [[3/2]].  It is the interval created by stacking two [[11/9]] neutral thirds, and can be considered a [[meantone]] fifth. It differs from the marvellous fifth [[112/75]] by [[3025/3024]]. Since [[38edo]] represents 11/9 near perfectly, it also represents this near perfectly as well.
'''121/81''', the '''Alpharabian narrow fifth''' (694.8¢), is a rastma [[243/242]] (7.1¢) below the just fifth [[3/2]].  It is the interval created by stacking two [[11/9]] neutral thirds, and can be considered a [[meantone]] fifth. It differs from the marvellous fifth [[112/75]] by [[3025/3024]]. Since [[38edo]] represents 11/9 near perfectly, it also represents this near perfectly as well.
When treated as a meantone fifth, it is incredibly close to [[1/3-comma meantone]], three of these intervals differing from [[5/3]] by only the [[parimo]].


== See also ==
== See also ==