diff --git a/code/src/Factory.php b/code/src/Factory.php
index a76caea..871835d 100644
--- a/code/src/Factory.php
+++ b/code/src/Factory.php
@@ -32,7 +32,11 @@ public function createSongReader(): SongReader
     }
     public function createSongWriter(): SongWriter
     {
-        return new SongWriter();
+        return new SongWriter(
+            new MySQLSongWriter(
+                $this->mySqlConnector->getConnection()
+            )
+        );
     }
 
     public function createArtistHandler(): ArtistHandler
diff --git a/code/src/Handler/SongWriter.php b/code/src/Handler/SongWriter.php
index 1f52a15..3e75d38 100644
--- a/code/src/Handler/SongWriter.php
+++ b/code/src/Handler/SongWriter.php
@@ -9,6 +9,7 @@
 class SongWriter
 {
     public function __construct(
+        private MySQLSongWriter $mySQLSongWriter
     ) {
     }
 
@@ -17,11 +18,31 @@ public function __construct(
      */
     public function handle(Request $request, Response $response): Response
     {
+
         $data = json_decode($request->getBody(), true);
+
+
         if ($data == null){
             return ApiResponse::errorMissingData($response);
         }
 
-        return ApiResponse::errorMissingData($response, $data);
+        $artistIds  = $this->mySQLSongWriter->insertArtists($data["artists"]);
+        $albumId    = $this->mySQLSongWriter->insertAlbum($data["album"]);
+        $songId     = $this->mySQLSongWriter->insertSong($data);
+        $lyricsIds  = $this->mySQLSongWriter->insertLyrics($data["lyrics"], $songId);
+        $this->mySQLSongWriter->insertSongToArtist($artistIds, $songId);
+
+        $responseData = [
+            "song_id" => $songId,
+            "album_id" => $albumId,
+            "lyrics_id" => $lyricsIds,
+            "artists_id" => $artistIds,
+            "created_by" => "tolik518",
+            "created" => "2023-06-21 00:00:00"
+        ];
+
+        return ApiResponse::sucessful($response, $responseData, 201);
+
+        //return ApiResponse::errorMissingData($response, $data);
     }
 }
diff --git a/code/src/Mapper/SongDataMapper.php b/code/src/Mapper/SongDataMapperToJSON.php
similarity index 100%
rename from code/src/Mapper/SongDataMapper.php
rename to code/src/Mapper/SongDataMapperToJSON.php
diff --git a/code/src/database/MySQLSongWriter.php b/code/src/database/MySQLSongWriter.php
new file mode 100644
index 0000000..5897122
--- /dev/null
+++ b/code/src/database/MySQLSongWriter.php
@@ -0,0 +1,137 @@
+<?php
+
+namespace QazaqGenius\LyricsApi;
+
+use PDO;
+use QazaqGenius\Transliterator;
+use Slim\Exception\HttpNotImplementedException;
+
+class MySQLSongWriter
+{
+    public function __construct(
+        private PDO $mySqlConnection
+    ) {
+    }
+
+    public function writeAllSongData(
+        string $release_date,
+        string $title_cyr,
+        string $title_lat,
+        string $cover_art,
+        array $lyrics
+    )
+    {
+        return null;
+    }
+
+    public function insertSongToArtist(array $artistIds, int $songId)
+    {
+        foreach ($artistIds as $artistId){
+            $sql = $this->mySqlConnection->prepare('
+            INSERT SongArtists (artist_id, song_id)
+            VALUES (:artist_id, :song_id)
+        ');
+
+            $sql->bindValue(":artist_id", $artistId);
+            $sql->bindValue(":song_id", $songId);
+
+            $sql->execute();
+        }
+    }
+
+    public function insertLyrics(array $lyrics, int $songId): array
+    {
+        $linesId = [];
+        foreach ($lyrics as $verse_nr => $verse)
+        {
+
+            foreach ($verse as $line) {
+                $sql = $this->mySqlConnection->prepare('
+                    INSERT Lyrics (verse_nr, line_nr, qazaq_cyr, qazaq_lat, english, russian, original_lang, song_id)
+                    VALUES (:verse_nr, :line_nr, :qazaq_cyr, :qazaq_lat, :english, :russian, :original_lang, :song_id)
+                ');
+
+                $sql->bindValue(":verse_nr", $verse_nr);
+                $sql->bindValue(":line_nr", $line["line_nr"]);
+                $sql->bindValue(":qazaq_cyr", $line["qazaq_cyr"]);
+                $sql->bindValue(":qazaq_lat", Transliterator::toLatin($line["qazaq_cyr"]));
+                $sql->bindValue(":english", $line["english"]);
+                $sql->bindValue(":russian", $line["russian"]);
+                $sql->bindValue(":original_lang", $line["original_lang"]);
+                $sql->bindValue(":song_id", $songId);
+
+                $sql->execute();
+                $linesId[] = (int) $this->mySqlConnection->lastInsertId();
+            }
+        }
+        return $linesId;
+    }
+
+    public function insertSong(array $song): int
+    {
+        $sql = $this->mySqlConnection->prepare('
+            INSERT Song (title_cyr, title_lat, release_date, cover_art)
+            VALUES (:title_cyr, :title_lat, :release_date, :cover_art)
+        ');
+        $sql->bindValue(":title_cyr",     $song["title_cyr"]);
+        $sql->bindValue(":title_lat",     $song["title_lat"]);
+        $sql->bindValue(":release_date", $song["release_date"]);
+        $sql->bindValue(":cover_art",    $song["cover_art"]);
+
+        $sql->execute();
+        $songId = (int) $this->mySqlConnection->lastInsertId();
+
+        return $songId;
+    }
+
+    public function insertAlbum(array $album): ?int
+    {
+        if (!isset($album['id'])) {
+            if  (isset($album['name_cyr']) || isset($album['name_lat']))
+            {
+                $sql = $this->mySqlConnection->prepare('
+                        INSERT Album (name_cyr, name_lat)
+                        VALUES (:name_cyr, :name_lat)
+                ');
+                $name_lat = isset($album["name_lat"]) ? $album["name_lat"] : Transliterator::toLatin($album["name_cyr"]);
+                $sql->bindValue(":name_lat", $name_lat);
+                $sql->bindValue(":name_cyr", $album["name_cyr"]);
+                $sql->execute();
+                $albumId = (int) $this->mySqlConnection->lastInsertId();
+            }
+            else {
+                $albumId = null;
+            }
+        } else {
+            $albumId = (int) $album['id'];
+        }
+        return $albumId;
+    }
+
+    public function insertArtists(array $artists): array
+    {
+        $artistIds = [];
+        foreach ($artists as $artist) {
+            $artistIds[] = $this->insertArtistAndGetID($artist);
+        }
+        return $artistIds;
+    }
+
+    private function insertArtistAndGetID(mixed $artist): int
+    {
+        if (!isset($artist['id'])) {
+            $sql = $this->mySqlConnection->prepare('
+                    INSERT Artist (name_cyr, name_lat)
+                    VALUES (:name_cyr, :name_lat)
+                ');
+            $sql->bindValue(":name_lat", $artist["name_lat"]);
+            $sql->bindValue(":name_cyr", $artist["name_cyr"]);
+            $sql->execute();
+            $artistId = (int) $this->mySqlConnection->lastInsertId();
+        } else {
+            $artistId = (int) $artist['id'];
+        }
+        return $artistId;
+    }
+
+}
\ No newline at end of file
diff --git a/code/src/routes.php b/code/src/routes.php
index 91d0c78..b709bbc 100644
--- a/code/src/routes.php
+++ b/code/src/routes.php
@@ -16,6 +16,13 @@
     })->setName('healtcheck');
 
     $app->group('/api/v1', function (Group $v1) use ($factory) {
+
+        //TODO: implement /songs route
+        $v1->get('/songs', function (Request $request, Response $response) use ($factory) {
+            $response->getBody()->write("[50000001,50000001]");
+            return $response->withStatus(200);
+        })->setName('healtcheck');
+
         $v1->group('/song', function (Group $song) use ($factory) {
             $song->post('', function (Request $request, Response $response) use ($factory) {
                 return $factory->createSongWriter()->handle($request, $response);
@@ -24,6 +31,7 @@
                 return $factory->createSongReader()->handle($request, $response);
             })->setName('v1.GET.song');
         });
+
         $v1->group('/artist', function (Group $song) use ($factory) {
             $song->get('/{artist_id:\d+}', function (Request $request, Response $response) use ($factory) {
                 return $factory->createArtistHandler()->handle($request, $response);