diff --git a/Crowdanki/Langzeit/deck.json b/Crowdanki/Langzeit/deck.json
index 5569b8c..e22b154 100644
--- a/Crowdanki/Langzeit/deck.json
+++ b/Crowdanki/Langzeit/deck.json
@@ -398,6 +398,7 @@
         "grekisk.mp3",
         "grillad.mp3",
         "grisköttet.mp3",
+        "grundskolan.mp3",
         "gruppen.mp3",
         "grädden.mp3",
         "grå.mp3",
@@ -658,6 +659,7 @@
         "mineralvattnet.mp3",
         "minnesmärket.mp3",
         "minuten.mp3",
+        "misstaget.mp3",
         "mittemot.mp3",
         "mitten.mp3",
         "mjölet.mp3",
@@ -828,6 +830,7 @@
         "rätt.mp3",
         "rå.mp3",
         "råka_ur_kontroll.mp3",
+        "råttan.mp3",
         "röd.mp3",
         "röka.mp3",
         "rökaren.mp3",
@@ -18306,6 +18309,66 @@
             "guid": "AUyN!?7f;n",
             "note_model_uuid": "e5f84b50-43c3-11f0-8ad2-13c35a792983",
             "tags": []
+        },
+        {
+            "__type__": "Note",
+            "fields": [
+                "die Grundschule",
+                "grundskolan",
+                "",
+                "",
+                "[sound:grundskolan.mp3]",
+                "",
+                ""
+            ],
+            "guid": "NtOfSvix?T",
+            "note_model_uuid": "e5f84b50-43c3-11f0-8ad2-13c35a792983",
+            "tags": []
+        },
+        {
+            "__type__": "Note",
+            "fields": [
+                "die Ratte",
+                "råttan",
+                "",
+                "",
+                "[sound:råttan.mp3]",
+                "",
+                ""
+            ],
+            "guid": "g]J2y-;VTq",
+            "note_model_uuid": "e5f84b50-43c3-11f0-8ad2-13c35a792983",
+            "tags": []
+        },
+        {
+            "__type__": "Note",
+            "fields": [
+                "die Musik",
+                "musiken",
+                "",
+                "",
+                "[sound:grundskolan.mp3]",
+                "",
+                ""
+            ],
+            "guid": "oj%J@b3zwa",
+            "note_model_uuid": "e5f84b50-43c3-11f0-8ad2-13c35a792983",
+            "tags": []
+        },
+        {
+            "__type__": "Note",
+            "fields": [
+                "der Fehler",
+                "misstaget",
+                "",
+                "",
+                "[sound:misstaget.mp3]",
+                "",
+                ""
+            ],
+            "guid": "O#?M18-zV",
+            "note_model_uuid": "e5f84b50-43c3-11f0-8ad2-13c35a792983",
+            "tags": []
         }
     ],
     "reviewLimit": null,
diff --git a/Crowdanki/Langzeit/media/grundskolan.mp3 b/Crowdanki/Langzeit/media/grundskolan.mp3
new file mode 100644
index 0000000..7fc6335
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diff --git a/Crowdanki/Langzeit/media/misstaget.mp3 b/Crowdanki/Langzeit/media/misstaget.mp3
new file mode 100644
index 0000000..b8c094d
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diff --git a/Crowdanki/Langzeit/media/råttan.mp3 b/Crowdanki/Langzeit/media/råttan.mp3
new file mode 100644
index 0000000..ef716f0
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diff --git a/Lektion_36.mp3 b/Lektion_36.mp3
new file mode 100644
index 0000000..6cb690e
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diff --git a/Lektion_37.mp3 b/Lektion_37.mp3
new file mode 100644
index 0000000..d843eab
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diff --git a/Lektion_38.mp3 b/Lektion_38.mp3
new file mode 100644
index 0000000..ab59cf9
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diff --git a/Lektion_39.mp3 b/Lektion_39.mp3
new file mode 100644
index 0000000..85d4620
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diff --git a/Lektionen.ods b/Lektionen.ods
index b409217..3285187 100644
Binary files a/Lektionen.ods and b/Lektionen.ods differ
diff --git a/mp3/grundskolan.mp3 b/mp3/grundskolan.mp3
new file mode 100644
index 0000000..7fc6335
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diff --git a/mp3/misstaget.mp3 b/mp3/misstaget.mp3
new file mode 100644
index 0000000..b8c094d
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diff --git a/mp3/musiken.mp3 b/mp3/musiken.mp3
new file mode 100644
index 0000000..42a1adb
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diff --git a/mp3/råttan.mp3 b/mp3/råttan.mp3
new file mode 100644
index 0000000..ef716f0
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