From 9da04347745bc122d03b2fdcb58e5fb87a1d5ff4 Mon Sep 17 00:00:00 2001
From: Kenneth Reitz <me@kennethreitz.org>
Date: Sun, 22 Mar 2026 07:31:16 -0400
Subject: [PATCH] Add 12/8 time to Rhythm and Meter section

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 docs/guide/theory.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/guide/theory.rst b/docs/guide/theory.rst
index 2b2cab4..446d09b 100644
--- a/docs/guide/theory.rst
+++ b/docs/guide/theory.rst
@@ -241,6 +241,9 @@ pattern of strong and weak beats that organizes rhythm.
 - `3/4 time <https://en.wikipedia.org/wiki/Triple_metre>`_: waltz time. Strong-weak-weak. A lilting, circular feel.
 - `6/8 time <https://en.wikipedia.org/wiki/Compound_meter_(music)>`_: compound duple. Two groups of three. Irish jigs, many
   ballads.
+- `12/8 time <https://en.wikipedia.org/wiki/Compound_meter_(music)>`_: compound quadruple. Four groups of three. Slow blues,
+  doo-wop, gospel. Has a triplet feel over a 4/4 pulse — the shuffle
+  groove of "Stormy Monday" and "Oh! Darling."
 - 5/4 time: asymmetric. "`Take Five <https://en.wikipedia.org/wiki/Take_Five>`_"
   by Dave Brubeck. Creates constant forward momentum because it never
   fully settles.