Escapade comma

Interval information

Factorization	232 × 3-7 × 5-9
Monzo	[32 -7 -9⟩
Size in cents	9.491569¢
Name	escapade comma
FJS name	[math]\displaystyle{ \text{6d4}_{5,5,5,5,5,5,5,5,5} }[/math]
Special properties	reduced, reduced subharmonic
Tenney height (log2 nd)	63.9921
Weil height (log2 max(n, d))	64
Wilson height (sopfr(nd))	130
Comma size	small
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The escapade comma (monzo: [32 -7 -9⟩) is a comma with a size of 9.492 cents. It is the difference between nine just major thirds and seven just perfect fourths, that is, (4/3)⁷/(5/4)⁹. This can also be written as (16/15)⁷/(5/4)², that is, the difference between a stack of seven 16/15's and 25/16.

Temperaments

Temperaments in the escapade family tempers out this comma.

Etymology

The escapade comma seems to have been named by Paul Erlich in 2002, referring to the fact that this comma "escaped" a 5-limit comma search by Carl Lumma.

See also

• Small comma