diff --git a/abjadext/nauert/attackpointoptimizers.py b/abjadext/nauert/attackpointoptimizers.py
index cdf8437..b7713a9 100644
--- a/abjadext/nauert/attackpointoptimizers.py
+++ b/abjadext/nauert/attackpointoptimizers.py
@@ -69,19 +69,22 @@ class MeasurewiseAttackPointOptimizer(AttackPointOptimizer):
                     c'16..
                     d'64
                     ~
-                    \times 4/5 {
+                    \tuplet 5/4
+                    {
                         d'8
                         e'32
                         ~
                     }
-                    \times 4/7 {
+                    \tuplet 7/4
+                    {
                         e'8
                         ~
                         e'32
                         f'16
                         ~
                     }
-                    \times 4/5 {
+                    \tuplet 5/4
+                    {
                         f'16.
                         g'16
                         ~
@@ -89,19 +92,22 @@ class MeasurewiseAttackPointOptimizer(AttackPointOptimizer):
                     g'16
                     a'16
                     ~
-                    \times 4/5 {
+                    \tuplet 5/4
+                    {
                         a'16
                         b'16.
                         ~
                     }
-                    \times 4/7 {
+                    \tuplet 7/4
+                    {
                         b'16
                         c''8
                         ~
                         c''32
                         ~
                     }
-                    \times 4/5 {
+                    \tuplet 5/4
+                    {
                         c''32
                         r32
                         r32
@@ -135,21 +141,24 @@ class MeasurewiseAttackPointOptimizer(AttackPointOptimizer):
                     c'16..
                     d'64
                     ~
-                    \times 4/5 {
+                    \tuplet 5/4
+                    {
                         d'16.
                         ~
                         d'32
                         e'32
                         ~
                     }
-                    \times 4/7 {
+                    \tuplet 7/4
+                    {
                         e'16.
                         ~
                         e'16
                         f'16
                         ~
                     }
-                    \times 4/5 {
+                    \tuplet 5/4
+                    {
                         f'16.
                         g'16
                         ~
@@ -157,21 +166,24 @@ class MeasurewiseAttackPointOptimizer(AttackPointOptimizer):
                     g'16
                     a'16
                     ~
-                    \times 4/5 {
+                    \tuplet 5/4
+                    {
                         a'16
                         b'32
                         ~
                         b'16
                         ~
                     }
-                    \times 4/7 {
+                    \tuplet 7/4
+                    {
                         b'16
                         c''32
                         ~
                         c''8
                         ~
                     }
-                    \times 4/5 {
+                    \tuplet 5/4
+                    {
                         c''32
                         r16
                         r16
@@ -273,19 +285,22 @@ class NaiveAttackPointOptimizer(AttackPointOptimizer):
                     c'16..
                     d'64
                     ~
-                    \times 4/5 {
+                    \tuplet 5/4
+                    {
                         d'8
                         e'32
                         ~
                     }
-                    \times 4/7 {
+                    \tuplet 7/4
+                    {
                         e'8
                         ~
                         e'32
                         f'16
                         ~
                     }
-                    \times 4/5 {
+                    \tuplet 5/4
+                    {
                         f'16.
                         g'16
                         ~
@@ -293,19 +308,22 @@ class NaiveAttackPointOptimizer(AttackPointOptimizer):
                     g'16
                     a'16
                     ~
-                    \times 4/5 {
+                    \tuplet 5/4
+                    {
                         a'16
                         b'16.
                         ~
                     }
-                    \times 4/7 {
+                    \tuplet 7/4
+                    {
                         b'16
                         c''8
                         ~
                         c''32
                         ~
                     }
-                    \times 4/5 {
+                    \tuplet 5/4
+                    {
                         c''32
                         r32
                         r32
@@ -397,7 +415,8 @@ class NullAttackPointOptimizer(AttackPointOptimizer):
                     c'64
                     d'64
                     ~
-                    \times 4/5 {
+                    \tuplet 5/4
+                    {
                         d'32
                         ~
                         d'32
@@ -408,7 +427,8 @@ class NullAttackPointOptimizer(AttackPointOptimizer):
                         e'32
                         ~
                     }
-                    \times 4/7 {
+                    \tuplet 7/4
+                    {
                         e'32
                         ~
                         e'32
@@ -423,7 +443,8 @@ class NullAttackPointOptimizer(AttackPointOptimizer):
                         f'32
                         ~
                     }
-                    \times 4/5 {
+                    \tuplet 5/4
+                    {
                         f'32
                         ~
                         f'32
@@ -437,7 +458,8 @@ class NullAttackPointOptimizer(AttackPointOptimizer):
                     g'16
                     a'16
                     ~
-                    \times 4/5 {
+                    \tuplet 5/4
+                    {
                         a'32
                         ~
                         a'32
@@ -448,7 +470,8 @@ class NullAttackPointOptimizer(AttackPointOptimizer):
                         b'32
                         ~
                     }
-                    \times 4/7 {
+                    \tuplet 7/4
+                    {
                         b'32
                         ~
                         b'32
@@ -463,7 +486,8 @@ class NullAttackPointOptimizer(AttackPointOptimizer):
                         c''32
                         ~
                     }
-                    \times 4/5 {
+                    \tuplet 5/4
+                    {
                         c''32
                         r32
                         r32
diff --git a/abjadext/nauert/quantizer.py b/abjadext/nauert/quantizer.py
index 6452a57..9ae8863 100644
--- a/abjadext/nauert/quantizer.py
+++ b/abjadext/nauert/quantizer.py
@@ -106,31 +106,31 @@ def quantize(
                             \time 2/4
                             c'4
                             ~
-                            \times 4/5 {
+                            \tuplet 5/4 {
                                 c'16.
                                 cs'8..
                                 ~
                             }
                         }
                         {
-                            \times 4/7 {
+                            \tuplet 7/4 {
                                 \tempo 8=57
                                 \time 5/4
                                 cs'16.
                                 d'8
                                 ~
                             }
-                            \times 4/5 {
+                            \tuplet 5/4 {
                                 d'16
                                 ef'16.
                                 ~
                             }
-                            \times 2/3 {
+                            \tuplet 3/2 {
                                 ef'16
                                 e'8
                                 ~
                             }
-                            \times 4/7 {
+                            \tuplet 7/4 {
                                 e'16
                                 f'8
                                 ~
@@ -140,12 +140,12 @@ def quantize(
                             f'32
                             fs'16.
                             ~
-                            \times 4/5 {
+                            \tuplet 5/4 {
                                 fs'32
                                 g'8
                                 ~
                             }
-                            \times 4/7 {
+                            \tuplet 7/4 {
                                 g'32
                                 r32
                                 r16
@@ -206,7 +206,7 @@ def quantize(
                         ~
                         e'16
                         ~
-                        \times 2/3 {
+                        \tuplet 3/2 {
                             \tempo 4=30
                             e'32
                             f'8.
@@ -215,7 +215,7 @@ def quantize(
                             fs'32
                             ~
                         }
-                        \times 2/3 {
+                        \tuplet 3/2 {
                             fs'32
                             g'8.
                             r32
diff --git a/tests/test_MeasurewiseAttackPointOptimizer___call__.py b/tests/test_MeasurewiseAttackPointOptimizer___call__.py
new file mode 100644
index 0000000..2e15f3a
--- /dev/null
+++ b/tests/test_MeasurewiseAttackPointOptimizer___call__.py
@@ -0,0 +1,54 @@
+import abjad
+from abjadext import nauert
+
+
+def test_MeasurewiseAttackPointOptimizer___call___01():
+    string = r"""
+        \tuplet 11/8
+        {
+            a''8
+            ~
+            a''8
+            ~
+            a''8
+            ~
+            a''8
+            ~
+            a''8
+            ~
+            a''8
+            ~
+            a''8
+            \grace {
+                e''16
+                e''16
+            }
+            d''8
+            ~
+            d''8
+            r8
+            r8
+        }
+        """
+    string = abjad.string.normalize(string)
+    container = abjad.Container(string)
+    time_signature = abjad.TimeSignature((4, 4))
+    attack_point_optimizer = nauert.MeasurewiseAttackPointOptimizer()
+    attack_point_optimizer(container, time_signature)
+    string = abjad.lilypond(container)
+    assert string == abjad.string.normalize(
+        r"""
+        {
+            \tuplet 11/8
+            {
+                a''2..
+                \grace {
+                    e''16
+                    e''16
+                }
+                d''4
+                r4
+            }
+        }
+        """
+    ), print(string)
diff --git a/tests/test_QGrid___call__.py b/tests/test_QGrid___call__.py
index 608e5f9..bd1b944 100644
--- a/tests/test_QGrid___call__.py
+++ b/tests/test_QGrid___call__.py
@@ -61,12 +61,12 @@ def test_QGrid___call___02():
     assert isinstance(result, list) and len(result) == 1
     assert abjad.lilypond(result[0]) == abjad.string.normalize(
         r"""
-        \times 2/3
+        \tuplet 3/2
         {
             c'8
             c'16
             c'16
-            \times 2/3
+            \tuplet 3/2
             {
                 c'16
                 c'16
@@ -132,7 +132,7 @@ def test_QGrid___call___03():
     assert abjad.lilypond(result[0]) == abjad.string.normalize(
         r"""
         \tweak edge-height #'(0.7 . 0)
-        \times 2/3
+        \tuplet 3/2
         {
             c'4
             c'4
diff --git a/tests/test_Quantizer___call__.py b/tests/test_Quantizer___call__.py
index eeeee16..85f3d65 100644
--- a/tests/test_Quantizer___call__.py
+++ b/tests/test_Quantizer___call__.py
@@ -205,7 +205,7 @@ def test_Quantize_05():
                         c'16
                     }
                     c'8
-                    \times 2/3
+                    \tuplet 3/2
                     {
                         c'8
                         \grace {
@@ -214,7 +214,7 @@ def test_Quantize_05():
                         c'8
                         c'8
                     }
-                    \times 4/5
+                    \tuplet 5/4
                     {
                         c'16
                         c'16
@@ -223,7 +223,7 @@ def test_Quantize_05():
                         c'16
                         c'16
                     }
-                    \times 4/7
+                    \tuplet 7/4
                     {
                         c'16
                         ~
@@ -361,7 +361,7 @@ def test_Quantize_08():
                         c'16
                     }
                     c'8
-                    \times 2/3
+                    \tuplet 3/2
                     {
                         c'8
                         \grace {
@@ -370,14 +370,14 @@ def test_Quantize_08():
                         c'8
                         c'8
                     }
-                    \times 4/5
+                    \tuplet 5/4
                     {
                         c'16
                         c'16
                         c'8
                         c'16
                     }
-                    \times 4/7
+                    \tuplet 7/4
                     {
                         c'8
                         c'16
@@ -541,7 +541,7 @@ def test_Quantize_12():
             {
                 {
                     \tweak text #tuplet-number::calc-fraction-text
-                    \times 6/7
+                    \tuplet 7/6
                     {
                         \tempo 4=60
                         \time 7/8
@@ -550,7 +550,7 @@ def test_Quantize_12():
                         ~
                         cs'16
                     }
-                    \times 4/7
+                    \tuplet 7/4
                     {
                         \grace {
                             d'16
@@ -563,7 +563,7 @@ def test_Quantize_12():
                     }
                 }
                 {
-                    \times 4/5
+                    \tuplet 5/4
                     {
                         e'8
                         r32
@@ -600,9 +600,9 @@ def test_Quantize_13():
             {
                 {
                     \tweak text #tuplet-number::calc-fraction-text
-                    \times 7/10
+                    \tuplet 10/7
                     {
-                        \times 4/7
+                        \tuplet 7/4
                         {
                             \tempo 4=60
                             \time 7/8
@@ -612,7 +612,7 @@ def test_Quantize_13():
                             cs'8
                         }
                         \tweak text #tuplet-number::calc-fraction-text
-                        \times 3/5
+                        \tuplet 5/3
                         {
                             d'2.
                             ef'2
@@ -620,7 +620,7 @@ def test_Quantize_13():
                     }
                 }
                 {
-                    \times 4/5
+                    \tuplet 5/4
                     {
                         \grace {
                             e'16
@@ -780,7 +780,7 @@ def test_Quantize_16():
             {
                 {
                     \tweak text #tuplet-number::calc-fraction-text
-                    \times 5/7
+                    \tuplet 7/5
                     {
                         \tempo 4=72
                         \time 7/8
@@ -793,7 +793,7 @@ def test_Quantize_16():
                     ~
                 }
                 {
-                    \times 4/5
+                    \tuplet 5/4
                     {
                         ef'16
                         e'32
diff --git a/tests/test_attack_point_optimizers.py b/tests/test_attack_point_optimizers.py
index 1d7bd3c..40321c6 100644
--- a/tests/test_attack_point_optimizers.py
+++ b/tests/test_attack_point_optimizers.py
@@ -4,7 +4,7 @@
 
 def test_MeasurewiseAttackPointOptimizer___call___01():
     string = r"""
-        \times 8/11
+        \tuplet 11/8
         {
             a''8
             ~
@@ -39,7 +39,7 @@ def test_MeasurewiseAttackPointOptimizer___call___01():
     assert string == abjad.string.normalize(
         r"""
         {
-            \times 8/11
+            \tuplet 11/8
             {
                 a''2..
                 \grace {