diff --git a/libinstpatch.spec b/libinstpatch.spec
index 2053e8d..1a2884a 100644
--- a/libinstpatch.spec
+++ b/libinstpatch.spec
@@ -6,7 +6,27 @@ Release:        24.20110806svn386%{?dist}
 Summary:        Instrument file software library
 
 URL:            http://www.swamiproject.org/
-License:        LGPLv2+
+# The entire source is LGPLv2 except:
+#
+# GPLv2:
+#   libinstpatch/IpatchState.{c,h}
+#   libinstpatch/IpatchStateGroup.{c,h}
+#   libinstpatch/IpatchStateItem.{c,h}
+#   libinstpatch/IpatchState_types.{c,h}
+#   utils/ipatch_convert.c
+#
+# Public Domain:
+#   libinstpatch/md5.{c,h}
+#
+# LGPLv2+:
+#   python/ipatch.override
+#
+# However, the Python bindings are not built because they are not compatible
+# with Python 3, so the LGPLv2+ license does not apply.
+#
+# Additionally, build system files that are not compiled or installed into the
+# final RPMs are under various free software licenes.
+License:        LGPLv2 and GPLv2 and Public Domain
 # Fetch source via
 # sh libinstpatch-snapshot.sh 386
 Source0:        libinstpatch-%{version}-svn386.tar.bz2
@@ -23,6 +43,11 @@ BuildRequires:  pkgconfig(glib-2.0)
 BuildRequires:  pkgconfig(gthread-2.0)
 BuildRequires:  pkgconfig(sndfile)
 
+# Would be required for Python bindings, but they do not support Python 3:
+# BuildRequires:  python3-devel
+# BuildRequires:  pkgconfig(pygobject-2.0)
+# BuildRequires:  #{_bindir}/pygobject-codegen-2.0
+
 %description
 libInstPatch stands for lib-Instrument-Patch and is a library for processing
 digital sample based MIDI instrument “patch” files. The types of files
@@ -47,7 +72,8 @@ applications that use %{name}.
 
 
 %build
-%cmake
+# Python bindings do not support Python 3.
+%cmake -DBUILD_PYTHON_BINDING:BOOL=OFF
 %cmake_build
 
 %install
@@ -74,6 +100,7 @@ applications that use %{name}.
 - Use much stricter file globs
 - Change library BR’s to pkgconfig() format
 - Use autosetup macro
+- Correct License field from “LGPLv2+” to “LGPLv2 and GPLv2 and Public Domain”
 
 * Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.0-23.20110806svn386
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild