diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index 83cf1ef..dff7fc9 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -23,6 +23,9 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
+      - name: Lint with black
+        run: |
+          black . --check
       - name: Test with pytest
         run: |
           pytest
diff --git a/README.md b/README.md
index ac671f8..4c21953 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@
 
 [![Python package](https://github.com/patkub/console-songs/actions/workflows/python-app.yml/badge.svg)](https://github.com/patkub/console-songs/actions/workflows/python-app.yml)
 ![Python 3.11+ Required](https://img.shields.io/badge/python-3.11+-brightgreen.svg)
+[![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 
 ### Idea
 1. Fetch song lyrics
@@ -37,6 +38,11 @@ pip3 install -r requirements.txt
 
 You should now be able to run `python3 songs.py --help` and see usage.
 
+When making code changes, remember to format code with black:
+```
+black .
+```
+
 ### Usage
 
 Provide the song and optionally the artist's name
diff --git a/display_lyrics/DisplayLyrics.py b/display_lyrics/DisplayLyrics.py
index 2a58358..a55d290 100644
--- a/display_lyrics/DisplayLyrics.py
+++ b/display_lyrics/DisplayLyrics.py
@@ -41,17 +41,22 @@ def display_lyrics(song_info, original_lyrics, english_lyrics):
 
         # Display portion that has both original and english translation
         for i in range(min_stanzas):
-            side_by_side.print_side_by_side(split_original_lyrics[i], split_english_lyrics[i])
+            side_by_side.print_side_by_side(
+                split_original_lyrics[i], split_english_lyrics[i]
+            )
             print()
 
         if len_original_lyrics > len_english_lyrics:
             # original lyrics have more than english translation
             for i in range(len_original_lyrics - min_stanzas):
-                side_by_side.print_side_by_side(split_original_lyrics[min_stanzas - 1 + i], "")
+                side_by_side.print_side_by_side(
+                    split_original_lyrics[min_stanzas - 1 + i], ""
+                )
                 print()
         elif len_english_lyrics > len_original_lyrics:
             # english translated lyrics have more than original
             for i in range(len_english_lyrics - min_stanzas):
-                side_by_side.print_side_by_side("", split_english_lyrics[min_stanzas - 1 + i])
+                side_by_side.print_side_by_side(
+                    "", split_english_lyrics[min_stanzas - 1 + i]
+                )
                 print()
-
diff --git a/display_lyrics/Lyrics.py b/display_lyrics/Lyrics.py
index 53759ee..193ee5d 100644
--- a/display_lyrics/Lyrics.py
+++ b/display_lyrics/Lyrics.py
@@ -9,7 +9,7 @@ def __init__(self, lyrics):
 
     def normalize_lyrics(self, lyrics):
         # normalize line endings
-        self.lyrics = re.sub(r'[\r\n][\r\n]{2,}', '\n\n', lyrics)
+        self.lyrics = re.sub(r"[\r\n][\r\n]{2,}", "\n\n", lyrics)
         # split into stanzas
         self.stanzas = self.lyrics.split("\n\n")
 
@@ -44,4 +44,3 @@ def get_min_stanzas(self, other):
         Get the minimum number of stanzas between two Lyrics
         """
         return min(len(self.stanzas), len(other.stanzas))
-
diff --git a/display_lyrics/__init__.py b/display_lyrics/__init__.py
index a83bb6e..97bb107 100644
--- a/display_lyrics/__init__.py
+++ b/display_lyrics/__init__.py
@@ -1,2 +1,2 @@
 from .DisplayLyrics import DisplayLyrics
-from .Lyrics import Lyrics
\ No newline at end of file
+from .Lyrics import Lyrics
diff --git a/display_lyrics/test_display_lyrics.py b/display_lyrics/test_display_lyrics.py
index 3fea392..b1e4d2f 100644
--- a/display_lyrics/test_display_lyrics.py
+++ b/display_lyrics/test_display_lyrics.py
@@ -24,13 +24,13 @@ def get_expected_print_calls(song_info):
         call("\n{}".format(song_info.full_title)),
         call("{}\n".format(song_info.url)),
         call(),
-        call()
+        call(),
     ]
     return expected_print_calls
 
 
-@patch('builtins.print')
-@patch('side_by_side.print_side_by_side', fake_print_side_by_side)
+@patch("builtins.print")
+@patch("side_by_side.print_side_by_side", fake_print_side_by_side)
 def test_display_lyrics_method(mocked_print):
     """
     Displays original and English translated lyrics side-by-side
@@ -55,8 +55,8 @@ class FakeSongInfo:
     mocked_print.assert_has_calls(expected_print_calls)
 
 
-@patch('builtins.print')
-@patch('side_by_side.print_side_by_side', fake_print_side_by_side)
+@patch("builtins.print")
+@patch("side_by_side.print_side_by_side", fake_print_side_by_side)
 def test_display_lyrics_method_original_longer(mocked_print):
     """
     Displays original and English translated lyrics side-by-side
@@ -82,8 +82,8 @@ class FakeSongInfo:
     mocked_print.assert_has_calls(expected_print_calls)
 
 
-@patch('builtins.print')
-@patch('side_by_side.print_side_by_side', fake_print_side_by_side)
+@patch("builtins.print")
+@patch("side_by_side.print_side_by_side", fake_print_side_by_side)
 def test_display_lyrics_method_original_shorter(mocked_print):
     """
     Displays original and English translated lyrics side-by-side
@@ -107,4 +107,3 @@ class FakeSongInfo:
     # expect to print: title, url, and two blank lines
     expected_print_calls = get_expected_print_calls(song_info)
     mocked_print.assert_has_calls(expected_print_calls)
-
diff --git a/fetch_lyrics/FetchLyrics.py b/fetch_lyrics/FetchLyrics.py
index 9985773..a6554a5 100644
--- a/fetch_lyrics/FetchLyrics.py
+++ b/fetch_lyrics/FetchLyrics.py
@@ -22,7 +22,7 @@ def fetch_lyrics(self, song, artist):
         @return: object: song info
         """
 
-        #print("Looking for song {} by artist {}".format(song, artist))
+        # print("Looking for song {} by artist {}".format(song, artist))
         # https://genius.com/Mihail-ma-ucide-ea-lyrics
         song = self.genius.search_song(song, artist)
         return song
diff --git a/fetch_lyrics/PatchedGenius.py b/fetch_lyrics/PatchedGenius.py
index 8115c29..dc30467 100644
--- a/fetch_lyrics/PatchedGenius.py
+++ b/fetch_lyrics/PatchedGenius.py
@@ -8,6 +8,7 @@ class PatchedGenius(Genius):  # pragma: no cover
     A patched version of Genius with @xanthon's fixes to remove ads and unwanted content in lyrics
     Credit: @xanthon from https://github.com/johnwmillr/LyricsGenius/pull/272 . Thanks!
     """
+
     def __init__(self, *args, **kwargs):
         super(PatchedGenius, self).__init__(*args, **kwargs)
 
@@ -37,35 +38,36 @@ def lyrics(self, song_id=None, song_url=None, remove_section_headers=False):
         if song_url:
             path = song_url.replace("https://genius.com/", "")
         else:
-            path = self.song(song_id)['song']['path'][1:]
+            path = self.song(song_id)["song"]["path"][1:]
         # Scrape the song lyrics from the HTML
         html = BeautifulSoup(
-            self._make_request(path, web=True).replace('<br/>', '\n'),
-            "html.parser"
+            self._make_request(path, web=True).replace("<br/>", "\n"), "html.parser"
         )
         # Determine the class of the div
         divs = html.find_all("div", class_=re.compile("^lyrics$|Lyrics__Container"))
         if divs is None or len(divs) <= 0:
             if self.verbose:
-                print("Couldn't find the lyrics section. "
-                      "Please report this if the song has lyrics.\n"
-                      "Song URL: https://genius.com/{}".format(path))
+                print(
+                    "Couldn't find the lyrics section. "
+                    "Please report this if the song has lyrics.\n"
+                    "Song URL: https://genius.com/{}".format(path)
+                )
             return None
 
         # remove ads from div
-        ads = html.find("div", {'class': re.compile("RightSidebar__Container")})
+        ads = html.find("div", {"class": re.compile("RightSidebar__Container")})
         ads.decompose()
         # remove header
-        header = html.find("div", {'class': re.compile("LyricsHeader__Container")})
+        header = html.find("div", {"class": re.compile("LyricsHeader__Container")})
         header.decompose()
         # remove embed note / footer
-        footer = html.find("div", {'class': re.compile("LyricsFooter__Container")})
+        footer = html.find("div", {"class": re.compile("LyricsFooter__Container")})
         footer.decompose()
 
         lyrics = "\n".join([div.get_text() for div in divs])
 
         # Remove [Verse], [Bridge], etc.
         if self.remove_section_headers or remove_section_headers:
-            lyrics = re.sub(r'(\[.*?\])*', '', lyrics)
-            lyrics = re.sub('\n{2}', '\n', lyrics)  # Gaps between verses
+            lyrics = re.sub(r"(\[.*?\])*", "", lyrics)
+            lyrics = re.sub("\n{2}", "\n", lyrics)  # Gaps between verses
         return lyrics.strip("\n")
diff --git a/fetch_lyrics/__init__.py b/fetch_lyrics/__init__.py
index 1744e4b..07c8c91 100644
--- a/fetch_lyrics/__init__.py
+++ b/fetch_lyrics/__init__.py
@@ -1,2 +1,2 @@
 from .FetchLyrics import FetchLyrics
-from .PatchedGenius import PatchedGenius
\ No newline at end of file
+from .PatchedGenius import PatchedGenius
diff --git a/fetch_lyrics/test_fetch_lyrics.py b/fetch_lyrics/test_fetch_lyrics.py
index e95f284..9b0d090 100644
--- a/fetch_lyrics/test_fetch_lyrics.py
+++ b/fetch_lyrics/test_fetch_lyrics.py
@@ -2,7 +2,7 @@
 from unittest.mock import patch
 
 
-@patch('lyricsgenius.Genius.search_song')
+@patch("lyricsgenius.Genius.search_song")
 def test_fetch_lyrics_calls_genius_api(mock_search_song):
     """
     Fetches lyrics for a song given its name and artist by calling Genius API
@@ -19,4 +19,3 @@ def test_fetch_lyrics_calls_genius_api(mock_search_song):
 
     # Assert underlying mocked lyricsgenius.Genius.search_song was called
     mock_search_song.assert_called_with("fake_song", "fake_artist")
-
diff --git a/requirements.txt b/requirements.txt
index 1e8521d..7c971c5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,6 +7,7 @@ side-by-side
 # Unit Tests
 pytest
 pytest-cov
+black
 
 # PatchedGenius
 beautifulsoup4
diff --git a/songs.py b/songs.py
index f74213e..d44108d 100644
--- a/songs.py
+++ b/songs.py
@@ -12,8 +12,10 @@
 
 # Class to get song lyrics from Genius
 from fetch_lyrics import FetchLyrics, PatchedGenius
+
 # Class to translate lyrics using Microsoft Azure AI Translator
 from translate_lyrics import TranslateLyrics
+
 # Display output
 from display_lyrics import DisplayLyrics
 
@@ -44,7 +46,9 @@ def process_song(song, artist, access_keys, genius_patch):
     #
     # Translate lyrics to English using Microsoft Azure AI Translator
     #
-    lyrics_translator = TranslateLyrics(access_keys["MS_TRANSLATOR_KEY"], access_keys["MS_TRANSLATOR_REGION"])
+    lyrics_translator = TranslateLyrics(
+        access_keys["MS_TRANSLATOR_KEY"], access_keys["MS_TRANSLATOR_REGION"]
+    )
     english_translation = lyrics_translator.translate_lyrics(song_lyrics)
 
     #
@@ -53,7 +57,7 @@ def process_song(song, artist, access_keys, genius_patch):
     DisplayLyrics.display_lyrics(song_info, song_lyrics, english_translation)
 
 
-if __name__ == '__main__':  # pragma: no cover
+if __name__ == "__main__":  # pragma: no cover
     #
     # Parse arguments
     #
@@ -62,19 +66,21 @@ def process_song(song, artist, access_keys, genius_patch):
         formatter_class=argparse.ArgumentDefaultsHelpFormatter
     )
     parser.add_argument("song", nargs="+")
-    parser.add_argument('--genius-patch',
-                        action=argparse.BooleanOptionalAction,
-                        default=True,
-                        help='Use patched version of Genius API')
+    parser.add_argument(
+        "--genius-patch",
+        action=argparse.BooleanOptionalAction,
+        default=True,
+        help="Use patched version of Genius API",
+    )
     args = parser.parse_args()
 
     song = args.song[0]
     artist = args.song[1] if len(args.song) > 1 else None
 
     access_keys = {
-        'GENIUS_ACCESS_TOKEN': os.getenv("GENIUS_ACCESS_TOKEN"),
-        'MS_TRANSLATOR_KEY': os.getenv("MS_TRANSLATOR_KEY"),
-        'MS_TRANSLATOR_REGION': os.getenv("MS_TRANSLATOR_REGION")
+        "GENIUS_ACCESS_TOKEN": os.getenv("GENIUS_ACCESS_TOKEN"),
+        "MS_TRANSLATOR_KEY": os.getenv("MS_TRANSLATOR_KEY"),
+        "MS_TRANSLATOR_REGION": os.getenv("MS_TRANSLATOR_REGION"),
     }
 
     #
diff --git a/test_songs.py b/test_songs.py
index 96660eb..f2fb2b4 100644
--- a/test_songs.py
+++ b/test_songs.py
@@ -6,10 +6,17 @@
 mockedFetchLyrics.lyrics = "mocked_lyrics"
 
 
-@patch('fetch_lyrics.FetchLyrics.FetchLyrics.fetch_lyrics', return_value=mockedFetchLyrics)
-@patch('translate_lyrics.TranslateLyrics.TranslateLyrics.translate_lyrics', return_value="english translation")
-@patch('display_lyrics.DisplayLyrics.DisplayLyrics.display_lyrics')
-def test_process_song(mocked_display_lyrics, mocked_translate_lyrics, mocked_fetch_lyrics):
+@patch(
+    "fetch_lyrics.FetchLyrics.FetchLyrics.fetch_lyrics", return_value=mockedFetchLyrics
+)
+@patch(
+    "translate_lyrics.TranslateLyrics.TranslateLyrics.translate_lyrics",
+    return_value="english translation",
+)
+@patch("display_lyrics.DisplayLyrics.DisplayLyrics.display_lyrics")
+def test_process_song(
+    mocked_display_lyrics, mocked_translate_lyrics, mocked_fetch_lyrics
+):
     """
     Fetch song lyrics, translate to English, and display original and English side-by-side lyrics.
     """
@@ -18,9 +25,9 @@ def test_process_song(mocked_display_lyrics, mocked_translate_lyrics, mocked_fet
     song = "test_song_name"
     artist = "test_artist_name"
     access_keys = {
-        'GENIUS_ACCESS_TOKEN': "fake_token_1",
-        'MS_TRANSLATOR_KEY': "fake_token_2",
-        'MS_TRANSLATOR_REGION': "fake_token_3"
+        "GENIUS_ACCESS_TOKEN": "fake_token_1",
+        "MS_TRANSLATOR_KEY": "fake_token_2",
+        "MS_TRANSLATOR_REGION": "fake_token_3",
     }
     experimental = False
 
@@ -33,13 +40,20 @@ def test_process_song(mocked_display_lyrics, mocked_translate_lyrics, mocked_fet
     # mocked lyrics get translated
     mocked_translate_lyrics.assert_called_with("mocked_lyrics")
     # display is called with song info, original and translated lyrics
-    mocked_display_lyrics.assert_called_with(ANY, "mocked_lyrics", "english translation")
+    mocked_display_lyrics.assert_called_with(
+        ANY, "mocked_lyrics", "english translation"
+    )
 
 
-@patch('fetch_lyrics.FetchLyrics.FetchLyrics.fetch_lyrics', return_value=None)
-@patch('translate_lyrics.TranslateLyrics.TranslateLyrics.translate_lyrics', return_value="english translation")
-@patch('display_lyrics.DisplayLyrics.DisplayLyrics.display_lyrics')
-def test_process_song_null(mocked_display_lyrics, mocked_translate_lyrics, mocked_fetch_lyrics):
+@patch("fetch_lyrics.FetchLyrics.FetchLyrics.fetch_lyrics", return_value=None)
+@patch(
+    "translate_lyrics.TranslateLyrics.TranslateLyrics.translate_lyrics",
+    return_value="english translation",
+)
+@patch("display_lyrics.DisplayLyrics.DisplayLyrics.display_lyrics")
+def test_process_song_null(
+    mocked_display_lyrics, mocked_translate_lyrics, mocked_fetch_lyrics
+):
     """
     Null song fetched, translation and display are not called
     """
@@ -48,9 +62,9 @@ def test_process_song_null(mocked_display_lyrics, mocked_translate_lyrics, mocke
     song = "test_song_name"
     artist = "test_artist_name"
     access_keys = {
-        'GENIUS_ACCESS_TOKEN': "fake_token_1",
-        'MS_TRANSLATOR_KEY': "fake_token_2",
-        'MS_TRANSLATOR_REGION': "fake_token_3"
+        "GENIUS_ACCESS_TOKEN": "fake_token_1",
+        "MS_TRANSLATOR_KEY": "fake_token_2",
+        "MS_TRANSLATOR_REGION": "fake_token_3",
     }
     experimental = False
 
diff --git a/translate_lyrics/TranslateLyrics.py b/translate_lyrics/TranslateLyrics.py
index 8572fb4..d5740c5 100644
--- a/translate_lyrics/TranslateLyrics.py
+++ b/translate_lyrics/TranslateLyrics.py
@@ -1,6 +1,7 @@
 import requests, uuid
 from requests.exceptions import RequestException
 
+
 class TranslateLyrics:
     def __init__(self, translator_key, region):
         """
@@ -20,24 +21,22 @@ def translate_lyrics(self, lyrics):
         # If you encounter any issues with the base_url or path, make sure
         # that you are using the latest endpoint: https://docs.microsoft.com/azure/cognitive-services/translator/reference/v3-0-translate
         endpoint = "https://api.cognitive.microsofttranslator.com/"
-        path = '/translate?api-version=3.0'
+        path = "/translate?api-version=3.0"
         # from romanian to english
         # params = '&from=ro&to=en'
         # or detect original language, and translate to english
-        params = '&to=en'
+        params = "&to=en"
         constructed_url = endpoint + path + params
 
         headers = {
-            'Ocp-Apim-Subscription-Key': self.subscription_key,
-            'Ocp-Apim-Subscription-Region': self.region,
-            'Content-type': 'application/json',
-            'X-ClientTraceId': str(uuid.uuid4())
+            "Ocp-Apim-Subscription-Key": self.subscription_key,
+            "Ocp-Apim-Subscription-Region": self.region,
+            "Content-type": "application/json",
+            "X-ClientTraceId": str(uuid.uuid4()),
         }
 
         # You can pass more than one object in body.
-        body = [{
-            'text': lyrics
-        }]
+        body = [{"text": lyrics}]
 
         english_translation = ""
         try:
diff --git a/translate_lyrics/__init__.py b/translate_lyrics/__init__.py
index 8493be2..5277168 100644
--- a/translate_lyrics/__init__.py
+++ b/translate_lyrics/__init__.py
@@ -1 +1 @@
-from .TranslateLyrics import TranslateLyrics
\ No newline at end of file
+from .TranslateLyrics import TranslateLyrics
diff --git a/translate_lyrics/test_translate_lyrics.py b/translate_lyrics/test_translate_lyrics.py
index 1c25707..201a4e9 100644
--- a/translate_lyrics/test_translate_lyrics.py
+++ b/translate_lyrics/test_translate_lyrics.py
@@ -22,15 +22,9 @@ def mock_requests_post(*args, **kwargs):
 
     # TODO: improve this url detection
     if args[0].startswith("https://api.cognitive.microsofttranslator.com/"):
-        return MockResponse([
-            {
-                "translations": [
-                    {
-                        "text": "mocked translated lyrics"
-                    }
-                ]
-            }
-        ], 200)
+        return MockResponse(
+            [{"translations": [{"text": "mocked translated lyrics"}]}], 200
+        )
 
     return MockResponse(None, 404)
 
@@ -42,11 +36,7 @@ def mock_requests_post_invalid(*args, **kwargs):
     @param kwargs:
     @return:
     """
-    return MockResponse([
-        {
-            "fake_bad_data": "bad"
-        }
-    ], 200)
+    return MockResponse([{"fake_bad_data": "bad"}], 200)
 
 
 def test_translate_lyrics_sets_translator_key():
@@ -59,7 +49,7 @@ def test_translate_lyrics_sets_translator_key():
     assert translate_lyrics.subscription_key == translator_key
 
 
-@mock.patch('requests.post', side_effect=mock_requests_post)
+@mock.patch("requests.post", side_effect=mock_requests_post)
 def test_translate_lyrics(mock_req):
     """
     Translates lyrics
@@ -78,7 +68,7 @@ def test_translate_lyrics(mock_req):
     assert english_translation == "mocked translated lyrics"
 
 
-@mock.patch('requests.post', side_effect=mock_requests_post_invalid)
+@mock.patch("requests.post", side_effect=mock_requests_post_invalid)
 def test_translate_lyrics_invalid(mock_req):
     """
     Translates lyrics
@@ -97,7 +87,7 @@ def test_translate_lyrics_invalid(mock_req):
     assert english_translation == ""
 
 
-@mock.patch('requests.post', side_effect=mock_requests_post)
+@mock.patch("requests.post", side_effect=mock_requests_post)
 def test_mock_requests_post_404(mock_req):
     """
     Test 404
@@ -107,7 +97,7 @@ def test_mock_requests_post_404(mock_req):
     assert resp.status_code == 404
 
 
-@mock.patch('requests.post', side_effect=mock_requests_post_invalid)
+@mock.patch("requests.post", side_effect=mock_requests_post_invalid)
 def test_mock_requests_post_invalid(mock_req):
     """
     Test 404