diff --git a/modules/videos/lib.py b/modules/videos/lib.py
index 68e6fe47..c06989e2 100644
--- a/modules/videos/lib.py
+++ b/modules/videos/lib.py
@@ -1054,7 +1054,11 @@ async def get_statistics():
 
 NAME_PARSER = re.compile(
     r'(?:(.*?)_)?((?:\d+?)|(?:NA))_(?:(.{5,25})_)?(.*)'
-    r'\.(jpg|webp|flv|mp4|part|info\.json|description|webm|..\.srt|..\.vtt)',  # the file suffix
+    # The file suffix.  Every media suffix a Video FileGroup can lead with belongs here:
+    # audio is Channel content too, and a suffix missing from this list leaves the file
+    # without a published date, sorted to the end of its Channel.
+    r'\.(jpg|webp|flv|mp4|m4v|mkv|webm|mp3|flac|opus|ogg|m4a|wav|aac|wma'
+    r'|part|info\.json|description|..\.srt|..\.vtt)',
     re.IGNORECASE)
 
 
diff --git a/modules/videos/test/test_audio_modeling.py b/modules/videos/test/test_audio_modeling.py
index 443ba53e..aaa2a66c 100644
--- a/modules/videos/test/test_audio_modeling.py
+++ b/modules/videos/test/test_audio_modeling.py
@@ -33,6 +33,27 @@ async def test_uploaded_audio_becomes_a_channel_video(async_client, test_session
     assert video.channel_id == channel.id, 'the Video must belong to the Channel it was uploaded into'
 
 
+@pytest.mark.asyncio
+async def test_uploaded_audio_gets_published_datetime_from_filename(async_client, test_session,
+                                                                    channel_factory):
+    """An uploaded audio file named in WROLPi's format gets its published date from the name.
+
+    The Channel page sorts by published date; without one the file sorts to the very end of the
+    Channel, which reads as missing.
+    """
+    channel = channel_factory(name='The Tech Prepper')
+    audio_path = channel.directory / 'The Tech Prepper_20260820_WRMI Interview.mp3'
+    shutil.copy(PROJECT_DIR / 'test/big_buck_bunny.mp3', audio_path)
+
+    await upsert_file(audio_path)
+
+    file_group = test_session.query(FileGroup).filter_by(primary_path=str(audio_path)).one()
+    assert file_group.published_datetime is not None, \
+        'the published date must be parsed from the file name'
+    assert file_group.published_datetime.strftime('%Y%m%d') == '20260820'
+    assert file_group.title == 'WRMI Interview'
+
+
 @pytest.mark.asyncio
 async def test_audio_playlist_is_not_a_video(async_client, test_session, test_directory):
     """A playlist with an audio/* mimetype is a text list of URLs, not media.
diff --git a/modules/videos/test/test_lib.py b/modules/videos/test/test_lib.py
index 84c36c7e..4206ca1f 100644
--- a/modules/videos/test/test_lib.py
+++ b/modules/videos/test/test_lib.py
@@ -34,7 +34,18 @@ from wrolpi.vars import PROJECT_DIR
     ('Learning Self-Reliance_20170529_p_Beekeeping 2017 Part 6 - Merging Hives.mp4',
      ('Learning Self-Reliance', '20170529', None, 'p_Beekeeping 2017 Part 6 - Merging Hives')),
     ('Learning Self-Reliance_20240722_clyx8ark92qk70860vtl997n5_Long Source Id File with _.mp4',
-     ('Learning Self-Reliance', '20240722', 'clyx8ark92qk70860vtl997n5', 'Long Source Id File with _'))
+     ('Learning Self-Reliance', '20240722', 'clyx8ark92qk70860vtl997n5', 'Long Source Id File with _')),
+    # Audio files and other media containers carry the same name format; a suffix missing from
+    # the parser leaves the file with no published date, sorted to the end of its Channel.
+    ('The Tech Prepper_20260820_WRMI S2 Underground Shortwave Interview.flac',
+     ('The Tech Prepper', '20260820', None, 'WRMI S2 Underground Shortwave Interview')),
+    ('channel_20000101_12345678910_ some title.mp3', ('channel', '20000101', '12345678910', 'some title')),
+    ('channel_20000101_12345678910_ some title.mkv', ('channel', '20000101', '12345678910', 'some title')),
+    ('channel_20000101_some title.opus', ('channel', '20000101', None, 'some title')),
+    ('channel_20000101_some title.ogg', ('channel', '20000101', None, 'some title')),
+    ('channel_20000101_some title.m4a', ('channel', '20000101', None, 'some title')),
+    ('channel_20000101_some title.m4v', ('channel', '20000101', None, 'some title')),
+    ('channel_20000101_some title.wav', ('channel', '20000101', None, 'some title')),
 ])
 def test_parse_video_file_name(file_name, expected):
     """