39edt: Difference between revisions

@@ Line 22: / Line 22: @@
 ! [[Cent]]s
 ! [[Hekt]]s
-! [[4L 5s (3/1-equivalent)|Enneatonic]] degree
+! [[4L 5s (3/1-equivalent)|Enneatonic]]<br />degree
-! Corresponding<br />3.5.7.11.13 subgroup<br />intervals
+! Corresponding 3.5.7.11.13 subgroup<br />intervals
 ! [[Lambda ups and downs notation|Lambda]]<br />(sLsLsLsLs,<br />{{nowrap|J {{=}} 1/1}})
 ! Mintaka[7]<br />(E macro-Phrygian)
@@ Line 347: / Line 347: @@
 | E
 |}
+== Approximation to JI ==
+=== No-2 zeta peak ===
+{| class="wikitable"
+|+
+!Steps
+per octave
+!Steps
+per tritave
+!Step size
+(cents)
+!Height
+!Tritave size
+(cents)
+!Tritave stretch
+(cents)
+|-
+|24.573831630
+|38.948601633
+|48.832433543
+|4.665720
+|1904.464908194
+|2.509907328
+|}
+Every 7 steps of the [[172edo|172f]] val is an excellent approximation of the ninth no-2 zeta peak in the 15-limit.
+== Music ==
+; [[Francium]]
+* [https://www.youtube.com/watch?v=jstg4_B0jfY ''Strange Juice''] (2025)
+;[https://www.youtube.com/@PhanomiumMusic Phanomium]
+* ''[https://www.youtube.com/watch?v=GX79ZX1Z8C8 Polygonal]'' (2025)