diff --git a/src/audio.py b/src/audio.py
index 4da298c..0f4b5c0 100644
--- a/src/audio.py
+++ b/src/audio.py
@@ -10,7 +10,7 @@ class MutagenParser(abstract.AbstractParser):
     def get_meta(self):
         f = mutagen.File(self.filename)
         if f.tags:
-            return f.tags
+            return {k:', '.join(v) for k,v in f.tags.items()}
         return {}
 
     def remove_all(self):
@@ -24,10 +24,10 @@ class MP3Parser(MutagenParser):
     mimetypes = {'audio/mpeg', }
 
     def get_meta(self):
-        meta = super().get_meta()
         metadata = {}
+        meta = mutagen.File(self.filename).tags
         for key in meta:
-            metadata[key] = meta[key].text
+            metadata[key.rstrip(' \t\r\n\0')] = ', '.join(map(str, meta[key].text))
         return metadata
 
 class OGGParser(MutagenParser):
diff --git a/tests/test_climat2.py b/tests/test_climat2.py
index 16f97a2..cf7a63b 100644
--- a/tests/test_climat2.py
+++ b/tests/test_climat2.py
@@ -43,3 +43,27 @@ class TestGetMeta(unittest.TestCase):
         self.assertIn(b'generator: LibreOffice/3.3$Unix', stdout)
         self.assertIn(b'creator: jvoisin', stdout)
         self.assertIn(b'date_time: 2011-07-26 02:40:16', stdout)
+
+    def test_mp3(self):
+        proc = subprocess.Popen(['./main.py', '--show', './tests/data/dirty.mp3'],
+                stdout=subprocess.PIPE)
+        stdout, _ = proc.communicate()
+        self.assertIn(b'TALB: harmfull', stdout)
+        self.assertIn(b'COMM::: Thank you for using MAT !', stdout)
+
+    def test_flac(self):
+        proc = subprocess.Popen(['./main.py', '--show', './tests/data/dirty.flac'],
+                stdout=subprocess.PIPE)
+        stdout, _ = proc.communicate()
+        self.assertIn(b'comments: Thank you for using MAT !', stdout)
+        self.assertIn(b'genre: Python', stdout)
+        self.assertIn(b'title: I am so', stdout)
+
+    def test_ogg(self):
+        proc = subprocess.Popen(['./main.py', '--show', './tests/data/dirty.ogg'],
+                stdout=subprocess.PIPE)
+        stdout, _ = proc.communicate()
+        self.assertIn(b'comments: Thank you for using MAT !', stdout)
+        self.assertIn(b'genre: Python', stdout)
+        self.assertIn(b'i am a : various comment', stdout)
+        self.assertIn(b'artist: jvoisin', stdout)
diff --git a/tests/test_libmat2.py b/tests/test_libmat2.py
index 34eea49..c2864c6 100644
--- a/tests/test_libmat2.py
+++ b/tests/test_libmat2.py
@@ -43,17 +43,17 @@ class TestGetMeta(unittest.TestCase):
     def test_mp3(self):
         p = audio.MP3Parser('./tests/data/dirty.mp3')
         meta = p.get_meta()
-        self.assertEqual(meta['TXXX:I am a '], ['various comment'])
+        self.assertEqual(meta['TXXX:I am a'], 'various comment')
 
     def test_ogg(self):
         p = audio.OGGParser('./tests/data/dirty.ogg')
         meta = p.get_meta()
-        self.assertEqual(meta['TITLE'], ['I am so'])
+        self.assertEqual(meta['title'], 'I am so')
 
     def test_flac(self):
         p = audio.FLACParser('./tests/data/dirty.flac')
         meta = p.get_meta()
-        self.assertEqual(meta['TITLE'], ['I am so'])
+        self.assertEqual(meta['title'], 'I am so')
 
     def test_docx(self):
         p = office.MSOfficeParser('./tests/data/dirty.docx')
@@ -184,7 +184,7 @@ class TestCleaning(unittest.TestCase):
         p = audio.MP3Parser('./tests/data/clean.mp3')
 
         meta = p.get_meta()
-        self.assertEqual(meta['TXXX:I am a '], ['various comment'])
+        self.assertEqual(meta['TXXX:I am a'], 'various comment')
 
         ret = p.remove_all()
         self.assertTrue(ret)
@@ -199,7 +199,7 @@ class TestCleaning(unittest.TestCase):
         p = audio.OGGParser('./tests/data/clean.ogg')
 
         meta = p.get_meta()
-        self.assertEqual(meta['TITLE'], ['I am so'])
+        self.assertEqual(meta['title'], 'I am so')
 
         ret = p.remove_all()
         self.assertTrue(ret)
@@ -214,7 +214,7 @@ class TestCleaning(unittest.TestCase):
         p = audio.FLACParser('./tests/data/clean.flac')
 
         meta = p.get_meta()
-        self.assertEqual(meta['TITLE'], ['I am so'])
+        self.assertEqual(meta['title'], 'I am so')
 
         ret = p.remove_all()
         self.assertTrue(ret)