diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index 6ef9ee0d3..ef1fbcf4e 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -3162,10 +3162,11 @@ notificationGroupTypeCalls = NotificationGroupType;
 //@description Describes a notification sound in MP3 format
 //@id Unique identifier of the notification sound
 //@duration Duration of the sound, in seconds
+//@date Point in time (Unix timestamp) when the sound was created
 //@title Title of the notification sound
 //@data Arbitrary data, defined while the sound was uploaded
 //@sound File containing the sound
-notificationSound id:int64 duration:int32 title:string data:string sound:file = NotificationSound;
+notificationSound id:int64 duration:int32 date:int32 title:string data:string sound:file = NotificationSound;
 
 //@description Contains a list of notification sounds @notification_sounds A list of notification sounds
 notificationSounds notification_sounds:vector<notificationSound> = NotificationSounds;
diff --git a/td/telegram/AudiosManager.cpp b/td/telegram/AudiosManager.cpp
index baccd4d93..32e5966d4 100644
--- a/td/telegram/AudiosManager.cpp
+++ b/td/telegram/AudiosManager.cpp
@@ -58,8 +58,8 @@ td_api::object_ptr<td_api::notificationSound> AudiosManager::get_notification_so
   CHECK(file_view.get_type() == FileType::Ringtone);
   CHECK(file_view.has_remote_location());
   auto document_id = file_view.remote_location().get_id();
-  return td_api::make_object<td_api::notificationSound>(document_id, audio->duration, audio->title, audio->performer,
-                                                        td_->file_manager_->get_file_object(file_id));
+  return td_api::make_object<td_api::notificationSound>(document_id, audio->duration, audio->date, audio->title,
+                                                        audio->performer, td_->file_manager_->get_file_object(file_id));
 }
 
 FileId AudiosManager::on_get_audio(unique_ptr<Audio> new_audio, bool replace) {
@@ -85,6 +85,9 @@ FileId AudiosManager::on_get_audio(unique_ptr<Audio> new_audio, bool replace) {
       LOG(DEBUG) << "Audio " << file_id << " file name has changed";
       a->file_name = std::move(new_audio->file_name);
     }
+    if (a->date != new_audio->date) {
+      a->date = new_audio->date;
+    }
     if (a->minithumbnail != new_audio->minithumbnail) {
       a->minithumbnail = std::move(new_audio->minithumbnail);
     }
@@ -177,7 +180,8 @@ void AudiosManager::delete_audio_thumbnail(FileId file_id) {
 }
 
 void AudiosManager::create_audio(FileId file_id, string minithumbnail, PhotoSize thumbnail, string file_name,
-                                 string mime_type, int32 duration, string title, string performer, bool replace) {
+                                 string mime_type, int32 duration, string title, string performer, int32 date,
+                                 bool replace) {
   auto a = make_unique<Audio>();
   a->file_id = file_id;
   a->file_name = std::move(file_name);
@@ -185,6 +189,7 @@ void AudiosManager::create_audio(FileId file_id, string minithumbnail, PhotoSize
   a->duration = max(duration, 0);
   a->title = std::move(title);
   a->performer = std::move(performer);
+  a->date = date;
   if (!td_->auth_manager_->is_bot()) {
     a->minithumbnail = std::move(minithumbnail);
   }
diff --git a/td/telegram/AudiosManager.h b/td/telegram/AudiosManager.h
index 90477f0d2..ebd6712cf 100644
--- a/td/telegram/AudiosManager.h
+++ b/td/telegram/AudiosManager.h
@@ -31,7 +31,7 @@ class AudiosManager {
   td_api::object_ptr<td_api::notificationSound> get_notification_sound_object(FileId file_id) const;
 
   void create_audio(FileId file_id, string minithumbnail, PhotoSize thumbnail, string file_name, string mime_type,
-                    int32 duration, string title, string performer, bool replace);
+                    int32 duration, string title, string performer, int32 date, bool replace);
 
   tl_object_ptr<telegram_api::InputMedia> get_input_media(FileId file_id,
                                                           tl_object_ptr<telegram_api::InputFile> input_file,
@@ -63,6 +63,7 @@ class AudiosManager {
     string file_name;
     string mime_type;
     int32 duration = 0;
+    int32 date = 0;
     string title;
     string performer;
     string minithumbnail;
diff --git a/td/telegram/AudiosManager.hpp b/td/telegram/AudiosManager.hpp
index eebb33998..b14ddd6bb 100644
--- a/td/telegram/AudiosManager.hpp
+++ b/td/telegram/AudiosManager.hpp
@@ -22,28 +22,107 @@ void AudiosManager::store_audio(FileId file_id, StorerT &storer) const {
   auto it = audios_.find(file_id);
   CHECK(it != audios_.end());
   const Audio *audio = it->second.get();
-  store(audio->file_name, storer);
-  store(audio->mime_type, storer);
-  store(audio->duration, storer);
-  store(audio->title, storer);
-  store(audio->performer, storer);
-  store(audio->minithumbnail, storer);
-  store(audio->thumbnail, storer);
+  bool has_file_name = !audio->file_name.empty();
+  bool has_mime_type = !audio->mime_type.empty();
+  bool has_duration = audio->duration != 0;
+  bool has_title = !audio->title.empty();
+  bool has_performer = !audio->performer.empty();
+  bool has_minithumbnail = !audio->minithumbnail.empty();
+  bool has_thumbnail = audio->thumbnail.file_id.is_valid();
+  bool has_date = audio->date != 0;
+  BEGIN_STORE_FLAGS();
+  STORE_FLAG(has_file_name);
+  STORE_FLAG(has_mime_type);
+  STORE_FLAG(has_duration);
+  STORE_FLAG(has_title);
+  STORE_FLAG(has_performer);
+  STORE_FLAG(has_minithumbnail);
+  STORE_FLAG(has_thumbnail);
+  STORE_FLAG(has_date);
+  END_STORE_FLAGS();
+  if (has_file_name) {
+    store(audio->file_name, storer);
+  }
+  if (has_mime_type) {
+    store(audio->mime_type, storer);
+  }
+  if (has_duration) {
+    store(audio->duration, storer);
+  }
+  if (has_title) {
+    store(audio->title, storer);
+  }
+  if (has_performer) {
+    store(audio->performer, storer);
+  }
+  if (has_minithumbnail) {
+    store(audio->minithumbnail, storer);
+  }
+  if (has_thumbnail) {
+    store(audio->thumbnail, storer);
+  }
+  if (has_date) {
+    store(audio->date, storer);
+  }
   store(file_id, storer);
 }
 
 template <class ParserT>
 FileId AudiosManager::parse_audio(ParserT &parser) {
   auto audio = make_unique<Audio>();
-  parse(audio->file_name, parser);
-  parse(audio->mime_type, parser);
-  parse(audio->duration, parser);
-  parse(audio->title, parser);
-  parse(audio->performer, parser);
-  if (parser.version() >= static_cast<int32>(Version::SupportMinithumbnails)) {
+  bool has_file_name;
+  bool has_mime_type;
+  bool has_duration;
+  bool has_title;
+  bool has_performer;
+  bool has_minithumbnail;
+  bool has_thumbnail;
+  bool has_date;
+  if (parser.version() >= static_cast<int32>(Version::AddAudioFlags)) {
+    BEGIN_PARSE_FLAGS();
+    PARSE_FLAG(has_file_name);
+    PARSE_FLAG(has_mime_type);
+    PARSE_FLAG(has_duration);
+    PARSE_FLAG(has_title);
+    PARSE_FLAG(has_performer);
+    PARSE_FLAG(has_minithumbnail);
+    PARSE_FLAG(has_thumbnail);
+    PARSE_FLAG(has_date);
+    END_PARSE_FLAGS();
+  } else {
+    has_file_name = true;
+    has_mime_type = true;
+    has_duration = true;
+    has_title = true;
+    has_performer = true;
+    has_minithumbnail = parser.version() >= static_cast<int32>(Version::SupportMinithumbnails);
+    has_thumbnail = true;
+    has_date = false;
+  }
+  if (has_file_name) {
+    parse(audio->file_name, parser);
+  }
+  if (has_mime_type) {
+    parse(audio->mime_type, parser);
+  }
+  if (has_duration) {
+    parse(audio->duration, parser);
+  }
+  if (has_title) {
+    parse(audio->title, parser);
+  }
+  if (has_performer) {
+    parse(audio->performer, parser);
+  }
+  if (has_minithumbnail) {
     parse(audio->minithumbnail, parser);
   }
-  parse(audio->thumbnail, parser);
+  if (has_thumbnail) {
+    parse(audio->thumbnail, parser);
+  }
+  if (has_date) {
+    parse(audio->date, parser);
+  }
   parse(audio->file_id, parser);
   if (parser.get_error() != nullptr || !audio->file_id.is_valid()) {
     return FileId();
diff --git a/td/telegram/DocumentsManager.cpp b/td/telegram/DocumentsManager.cpp
index e27e84190..352aed808 100644
--- a/td/telegram/DocumentsManager.cpp
+++ b/td/telegram/DocumentsManager.cpp
@@ -238,6 +238,7 @@ Document DocumentsManager::on_get_document(RemoteDocument remote_document, Dialo
   int64 access_hash;
   int32 dc_id;
   int32 size;
+  int32 date = 0;
   string mime_type;
   string file_reference;
   string minithumbnail;
@@ -272,6 +273,9 @@ Document DocumentsManager::on_get_document(RemoteDocument remote_document, Dialo
     access_hash = document->access_hash_;
     dc_id = document->dc_id_;
     size = document->size_;
+    if (is_ringtone) {
+      date = document->date_;
+    }
     mime_type = std::move(document->mime_type_);
     file_reference = document->file_reference_.as_slice().str();
 
@@ -461,7 +465,7 @@ Document DocumentsManager::on_get_document(RemoteDocument remote_document, Dialo
         performer = std::move(audio->performer_);
       }
       td_->audios_manager_->create_audio(file_id, std::move(minithumbnail), std::move(thumbnail), std::move(file_name),
-                                         std::move(mime_type), duration, std::move(title), std::move(performer),
+                                         std::move(mime_type), duration, std::move(title), std::move(performer), date,
                                          !is_web);
       break;
     }
diff --git a/td/telegram/MessageContent.cpp b/td/telegram/MessageContent.cpp
index d51f2c8b1..2b6c38a3c 100644
--- a/td/telegram/MessageContent.cpp
+++ b/td/telegram/MessageContent.cpp
@@ -1740,7 +1740,7 @@ static Result<InputMessageContent> create_input_message_content(
 
       td->audios_manager_->create_audio(file_id, string(), thumbnail, std::move(file_name), std::move(mime_type),
                                         input_audio->duration_, std::move(input_audio->title_),
-                                        std::move(input_audio->performer_), false);
+                                        std::move(input_audio->performer_), 0, false);
 
       content = make_unique<MessageAudio>(file_id, std::move(caption));
       break;
diff --git a/td/telegram/Version.h b/td/telegram/Version.h
index 14850dec3..510ce951c 100644
--- a/td/telegram/Version.h
+++ b/td/telegram/Version.h
@@ -49,6 +49,7 @@ enum class Version : int32 {
   Support64BitIds,
   AddInviteLinksRequiringApproval,
   AddKeyboardButtonFlags,  // 35
+  AddAudioFlags,
   Next
 };