121/81: Difference between revisions
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{{Infobox Interval | {{Infobox Interval | ||
| Name = Alpharabian narrow fifth | | Name = Alpharabian narrow fifth | ||
| Color name = | | Color name = 1oo5, lolo 5th | ||
| Sound = | | Sound = | ||
}} | }} | ||
'''121/81''', the '''Alpharabian narrow fifth''' (694.8¢), is [[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. | '''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 == | ||
* [[162/121]] - its [[octave complement]] | * [[162/121]] - its [[octave complement]] | ||
* [[729/484]] - the Alpharabian wide fifth | |||
* [[Gallery of just intervals]] | * [[Gallery of just intervals]] | ||
[[Category:Fifth]] | |||