diff --git a/yandex_music/base.py b/yandex_music/base.py
index 62c4a46..7d62b16 100644
--- a/yandex_music/base.py
+++ b/yandex_music/base.py
@@ -3,7 +3,7 @@ import json
 from abc import ABCMeta
 
 
-class YandexMusicObject(object):
+class YandexMusicObject:
     __metaclass__ = ABCMeta
     _id_attrs = ()
 
diff --git a/yandex_music/client.py b/yandex_music/client.py
index fc946a4..3403cfa 100644
--- a/yandex_music/client.py
+++ b/yandex_music/client.py
@@ -915,32 +915,20 @@ class Client(YandexMusicObject):
     fromToken = from_token
     """Псевдоним для :attr:`generate_token_by_username_and_password`"""
     generateTokenByUsernameAndPassword = generate_token_by_username_and_password
-    """Псевдоним для :attr:`request`"""
-    request = request
     """Псевдоним для :attr:`account_status`"""
     accountStatus = account_status
-    """Псевдоним для :attr:`settings`"""
-    settings = settings
     """Псевдоним для :attr:`permission_alerts`"""
     permissionAlerts = permission_alerts
     """Псевдоним для :attr:`account_experiments`"""
     accountExperiments = account_experiments
     """Псевдоним для :attr:`consume_promo_code`"""
     consumePromoCode = consume_promo_code
-    """Псевдоним для :attr:`feed`"""
-    feed = feed
     """Псевдоним для :attr:`feed_wizard_is_passed`"""
     feedWizardIsPassed = feed_wizard_is_passed
-    """Псевдоним для :attr:`landing`"""
-    landing = landing
-    """Псевдоним для :attr:`genres`"""
-    genres = genres
     """Псевдоним для :attr:`tracks_download_info`"""
     tracksDownloadInfo = tracks_download_info
     """Псевдоним для :attr:`play_audio`"""
     playAudio = play_audio
-    """Псевдоним для :attr:`search`"""
-    search = search
     """Псевдоним для :attr:`search_suggest`"""
     searchSuggest = search_suggest
     """Псевдоним для :attr:`users_playlists`"""
@@ -989,12 +977,6 @@ class Client(YandexMusicObject):
     usersLikesAlbumsAdd = users_likes_albums_add
     """Псевдоним для :attr:`users_likes_albums_remove`"""
     usersLikesAlbumsRemove = users_likes_albums_remove
-    """Псевдоним для :attr:`artists`"""
-    artists = artists
-    """Псевдоним для :attr:`albums`"""
-    albums = albums
-    """Псевдоним для :attr:`tracks`"""
-    tracks = tracks
     """Псевдоним для :attr:`playlists_list`"""
     playlistsList = playlists_list
     """Псевдоним для :attr:`users_playlists_list`"""
diff --git a/yandex_music/download_info.py b/yandex_music/download_info.py
index f2e07c1..af0d0f6 100644
--- a/yandex_music/download_info.py
+++ b/yandex_music/download_info.py
@@ -131,3 +131,8 @@ class DownloadInfo(YandexMusicObject):
                 info.get_direct_link()
 
         return downloads_info
+
+    # camelCase псевдонимы
+
+    """Псевдоним для :attr:`get_direct_link`"""
+    getDirectLink = get_direct_link
diff --git a/yandex_music/landing/block_entity.py b/yandex_music/landing/block_entity.py
index f4bd85e..13fe917 100644
--- a/yandex_music/landing/block_entity.py
+++ b/yandex_music/landing/block_entity.py
@@ -1,4 +1,5 @@
-from yandex_music import YandexMusicObject, Promotion, Album, Playlist, MixLink, PlayContext, ChartItem, GeneratedPlaylist
+from yandex_music import YandexMusicObject, Promotion, Album, Playlist, MixLink, PlayContext, ChartItem,\
+    GeneratedPlaylist
 
 
 de_json = {
diff --git a/yandex_music/landing/mix_link.py b/yandex_music/landing/mix_link.py
index 52674f1..2fdfc4d 100644
--- a/yandex_music/landing/mix_link.py
+++ b/yandex_music/landing/mix_link.py
@@ -21,6 +21,7 @@ class MixLink(YandexMusicObject):
         self.cover_white = cover_white
 
         self.client = client
+        self._id_attrs = (self.url, )
 
     @classmethod
     def de_json(cls, data, client):
diff --git a/yandex_music/landing/promotion.py b/yandex_music/landing/promotion.py
index 331c17c..235dacb 100644
--- a/yandex_music/landing/promotion.py
+++ b/yandex_music/landing/promotion.py
@@ -25,6 +25,7 @@ class Promotion(YandexMusicObject):
         self.image = image
 
         self.client = client
+        self._id_attrs = (self.promo_id, )
 
     @classmethod
     def de_json(cls, data, client):
diff --git a/yandex_music/playlist/playlist.py b/yandex_music/playlist/playlist.py
index 4ae78c5..a337334 100644
--- a/yandex_music/playlist/playlist.py
+++ b/yandex_music/playlist/playlist.py
@@ -111,3 +111,10 @@ class Playlist(YandexMusicObject):
             playlists.append(cls.de_json(playlist, client))
 
         return playlists
+
+    # camelCase псевдонимы
+
+    """Псевдоним для :attr:`is_mine`"""
+    isMine = is_mine
+    """Псевдоним для :attr:`playlist_id`"""
+    playlistId = playlist_id
diff --git a/yandex_music/rotor/value.py b/yandex_music/rotor/value.py
index 709959c..63cbb4e 100644
--- a/yandex_music/rotor/value.py
+++ b/yandex_music/rotor/value.py
@@ -31,4 +31,3 @@ class Value(YandexMusicObject):
             values.append(cls.de_json(value, client))
 
         return values
-
diff --git a/yandex_music/track/track.py b/yandex_music/track/track.py
index 1ea1f56..e17b2f1 100644
--- a/yandex_music/track/track.py
+++ b/yandex_music/track/track.py
@@ -98,3 +98,12 @@ class Track(YandexMusicObject):
             tracks.append(cls.de_json(track, client))
 
         return tracks
+
+    # camelCase псевдонимы
+
+    """Псевдоним для :attr:`get_download_info`"""
+    getDownloadInfo = get_download_info
+    """Псевдоним для :attr:`download_cover`"""
+    downloadCover = download_cover
+    """Псевдоним для :attr:`track_id`"""
+    trackId = track_id
diff --git a/yandex_music/track_short.py b/yandex_music/track_short.py
index 1c28054..de184b2 100644
--- a/yandex_music/track_short.py
+++ b/yandex_music/track_short.py
@@ -95,3 +95,8 @@ class TrackShort(YandexMusicObject):
             tracks.append(cls.de_json(track, client))
 
         return tracks
+
+    # camelCase псевдонимы
+
+    """Псевдоним для :attr:`track_id`"""
+    trackId = track_id
diff --git a/yandex_music/tracks_list.py b/yandex_music/tracks_list.py
index 9429179..4ccb4e0 100644
--- a/yandex_music/tracks_list.py
+++ b/yandex_music/tracks_list.py
@@ -63,3 +63,8 @@ class TracksList(YandexMusicObject):
         data['tracks'] = TrackShort.de_list(data.get('tracks'), client)
 
         return cls(client=client, **data)
+
+    # camelCase псевдонимы
+
+    """Псевдоним для :attr:`tracks_ids`"""
+    tracksIds = tracks_ids
diff --git a/yandex_music/utils/difference.py b/yandex_music/utils/difference.py
index c31baf6..db423c1 100644
--- a/yandex_music/utils/difference.py
+++ b/yandex_music/utils/difference.py
@@ -8,7 +8,7 @@ class Operation(Enum):
     DELETE = 'delete'
 
 
-class Difference(object):
+class Difference:
     def __init__(self):
         self.operations = []
 
diff --git a/yandex_music/utils/request.py b/yandex_music/utils/request.py
index 9b7055e..1268b19 100644
--- a/yandex_music/utils/request.py
+++ b/yandex_music/utils/request.py
@@ -17,7 +17,7 @@ HEADERS = {
 }
 
 
-class Request(object):
+class Request:
     """
     Вспомогателньный класс для yandex_music предоставляющий методы для выполнения POST и GET запросов, скачивания файлов.