From 460eaf682b8c9b5a3697944752c9598a924d7558 Mon Sep 17 00:00:00 2001
From: Michael Scott Asato Cuthbert <michael.asato.cuthbert@gmail.com>
Date: Fri, 9 Oct 2026 17:30:30 -1000
Subject: [PATCH] Fix caching problem / remove ref to defaultOctave

Small PR
---
 music21/_version.py     |  2 +-
 music21/base.py         |  2 +-
 music21/defaults.py     |  3 +++
 music21/voiceLeading.py | 10 +++++++++-
 4 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/music21/_version.py b/music21/_version.py
index 9d2d4e79d..b78686896 100644
--- a/music21/_version.py
+++ b/music21/_version.py
@@ -47,7 +47,7 @@
 '''
 from __future__ import annotations
 
-__version__ = '11.0.0b11'
+__version__ = '11.0.0b12'
 
 def get_version_tuple(vv):
     v = vv.split('.')
diff --git a/music21/base.py b/music21/base.py
index b049c44f7..87c452e8e 100644
--- a/music21/base.py
+++ b/music21/base.py
@@ -26,7 +26,7 @@
 <class 'music21.base.Music21Object'>
 
 >>> music21.VERSION_STR
-'11.0.0b11'
+'11.0.0b12'
 
 Alternatively, after doing a complete import, these classes are available
 under the module "base":
diff --git a/music21/defaults.py b/music21/defaults.py
index 95162b86a..99feeb555 100644
--- a/music21/defaults.py
+++ b/music21/defaults.py
@@ -39,6 +39,9 @@
 # not allowing more can be construed as a feature.
 
 
+# we used to have a defaultStep ('C') and defaultOctave (4) but
+# no one ever changed them, and inlining makes so much faster.
+
 partGroup = 'Part Group'
 partGroupAbbreviation = 'PG'
 
diff --git a/music21/voiceLeading.py b/music21/voiceLeading.py
index 9022376e8..ac983bb25 100644
--- a/music21/voiceLeading.py
+++ b/music21/voiceLeading.py
@@ -2216,7 +2216,7 @@ def couldBePassingTone(self) -> bool:
         >>> voiceLeading.ThreeNoteLinearSegment('B##3', 'C4', 'D--4').couldBePassingTone()
         False
 
-        If no octave is given then ._defaultOctave is used.  This is generally octave 4.
+        If no octave is given then octave 4 is used:
 
         >>> voiceLeading.ThreeNoteLinearSegment('C', 'D', 'E').couldBePassingTone()
         True
@@ -2225,6 +2225,14 @@ def couldBePassingTone(self) -> bool:
         >>> voiceLeading.ThreeNoteLinearSegment('C5', 'D', 'E').couldBePassingTone()
         False
 
+        But I wouldn't skip the octave, because otherwise this will always seem baffling:
+
+        >>> voiceLeading.ThreeNoteLinearSegment('G', 'A', 'B').couldBePassingTone()
+        True
+        >>> voiceLeading.ThreeNoteLinearSegment('A', 'B', 'C').couldBePassingTone()
+        False
+
+
         Method returns True if either a chromatic passing tone or a diatonic passing
         tone is identified. Spelling of the pitch does matter!