diff --git a/examples/demo.ipynb b/examples/demo.ipynb
index f05ac2b..7eaf2b6 100644
--- a/examples/demo.ipynb
+++ b/examples/demo.ipynb
@@ -46,6 +46,7 @@
     "  * `adm`: EBU Audio Defintion Model metadata, as used by Dolby Atmos.\n",
     "  * `cues`: Cue marker metadata, including labels and notes \n",
     "  * `dolby`: Dolby recorder and playback metadata\n",
+    "  * `smpl`: Sampler midi note and loop metadata\n",
     "\n",
     "Each of these is an attribute of a `WavInfoReader` object.\n",
     "\n",
@@ -304,7 +305,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.5"
+   "version": "3.12.5"
   }
  },
  "nbformat": 4,
diff --git a/tests/test_files/smpl/alarm_citizen_loop1_fr.wav b/tests/test_files/smpl/alarm_citizen_loop1_fr.wav
new file mode 100644
index 0000000..8de35b6
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diff --git a/tests/test_files/smpl/alarm_citizen_loop1_res3.wav b/tests/test_files/smpl/alarm_citizen_loop1_res3.wav
new file mode 100644
index 0000000..4b55dc9
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diff --git a/tests/test_files/smpl/alarm_citizen_loop1_rev.wav b/tests/test_files/smpl/alarm_citizen_loop1_rev.wav
new file mode 100644
index 0000000..b54cf29
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diff --git a/tests/test_files/smpl/alarm_citizen_loop1_vendFF.wav b/tests/test_files/smpl/alarm_citizen_loop1_vendFF.wav
new file mode 100644
index 0000000..a9c7cdf
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diff --git a/tests/test_smpl.py b/tests/test_smpl.py
new file mode 100644
index 0000000..0529440
--- /dev/null
+++ b/tests/test_smpl.py
@@ -0,0 +1,15 @@
+from unittest import TestCase
+from glob import glob
+
+import wavinfo
+
+class TestSmpl(TestCase):
+    def setUp(self) -> None:
+        self.test_files = glob("tests/test_files/smpl/*.wav")
+        return super().setUp()
+
+    def test_each(self):
+        for file in self.test_files:
+            w = wavinfo.WavInfoReader(file)
+            d = w.walk()
+            self.assertIsNotNone(d)