please help me to find the error in my code...! : i been trying to update an entity, but the matter of fact i gotta update them all at update page, else it throws error:
**here's my code**

    // to verify if user is an admin
        <?php include "include/uni_header.php"?>
        <?php
        if (isset($_GET['update'])){
            if ($_GET['update'] == null){
                header("Location: error/error.php");
            }else{
                $hlp = $_GET['update'];
            }
        }else{
            header("Location: error/error.php");
        }
        ?>
            <!-- mail -->
        
            <div class="latest-albums">
                <div class="container">
                    <h3 class="agileits_w3layouts_head"> <span>Update existing</span></h3>
                    <div class="wthree_latest_albums_grids gallery">
                        <div class="col-md-9 agile_mail_grid_left">
                           // here i am trying to fetch all value & putting them on the field
                            <?php
                                    $sql = "select * from music where id=$hlp";
                                    $getter = mysqli_query($connection, $sql);
                                    while ($row=mysqli_fetch_assoc($getter)) {
                                        $id = $row['id'];
                                        $title = $row['title'];
                                        $singer = $row['singer'];
                                        $description = $row['description'];
                                        $length = $row['length'];
                                        $relese_date = $row['relese_date'];
                                        $lyrics = $row['lyrics'];
                                        $genere = $row['genere'];
                                        $songs = $row['songs'];
                                        $thumbnail = $row['thumbnail'];
                                        $language = $row['language'];
                                        $album_tag = $row['album_tag'];
                                        $youtube_id = $row['youtube_id'];
                                        $feature_tag = $row['feature_tag'];
                                    }
                            ?>
                            // trying to update
                            <?php
                            if (isset($_POST['submits'])){
                                $title = $_POST['name'];
                                $singer = $_POST['singer'];
                                $description = $_POST['description'];
                                $length = $_POST['length'];
                                $date = $_POST['release_date'];
                                $lyrics = $_POST['lyrics'];
                                $category = $_POST['cat'];
                                $language = $_POST['cat1'];
                                $youtube = substr($_POST['youtube'], 17);
                                $album = $_POST['album'];
        
                                //thumbnail
                                $p_image = $_FILES['images']['name'];
                                $post_image_temp = $_FILES['images']['tmp_name'];
                                move_uploaded_file($post_image_temp, "thumbnail/$p_image");
        
                                //songs
                                $upload_file = $_FILES['files']['name'];
                                $temps = $_FILES['files']['tmp_name'];
                                move_uploaded_file($temps, "songs/$upload_file");
                                //query
                                    $query = "update music set title='{$title}', singer='{$singer}', description='{$description}', length='{$length}', relese_date='{$date}', lyrics='{$lyrics}', genere={$category}, songs='{$upload_file}', thumbnail='{$upload_file}', language={$language}, album_tag='{$album}', youtube_id='{$youtube}' where id={$hlp}";
                                    $sender = mysqli_query($connection, $query);
                                    echo "error".mysqli_error($connection);
        
        
        
                            }
                            ?>
                           // pushing previously pulled value as user can see old values, it helps to update.
                            <form action="" method="post" enctype="multipart/form-data">
                                <label for="name">Enter Song Title</label>
                                <input type="text" name="name" placeholder="Name" value="<?php echo $title; ?>"><br>
        
                                <label for="email">Singer</label>
                                <input type="text" name="singer" placeholder="Singer" value="<?php echo $singer; ?>"><br>
        
                                <label for="description">Description</label>
                                <input type="text" name="description" placeholder="Description" value="<?php echo $description; ?>"><br>
        
                                <label for="length">Run Time</label>
                                <input type="text" name="length" placeholder="Run Time" value="<?php echo $length; ?>"><br>
        
                                <label for="images">Upload the song</label>
                                <input type="file" name="files" class="btn btn-default">
        
                                <label for="album">Album name</label>
                                <input type="text" name="album" placeholder="Album name" value="<?php echo $album_tag; ?>"><br>
        
                                <label for="youtube">Paste the Short URL only</label>
                                <input type="text" name="youtube" placeholder="ex: https://youtu.be/xxxxx" value="<?php echo $youtube_id; ?>"><br>
                                *This field only accepts SHORT URL <b>(open the song vid->share->copy link)</b>
                                <br><br>
        
                                <label for="country1">Choose Language</label>
                                <div class="btn-group">
                                    <select id="country1" class="dropdown" name="cat1">
                                        <?php
                                                $sql1 = "select * from language where id=$language";
                                                $getter1 = mysqli_query($connection,$sql1);
                                                while ($r=mysqli_fetch_assoc($getter1)){
                                                    $language=$r['language'];
                                                }
                                        ?>
                                        <option class="dropdown-header" value=""><?php echo $language; ?></option>
                                        <?php
                                        $querys = "select * from language";
                                        $sends = mysqli_query($connection, $querys);
        
                                        while ($row = mysqli_fetch_assoc($sends)) {
                                            $id = $row['id'];
                                            $language = $row['language'];
        
                                            echo "<option class='dropdown-item' value='{$id}'>{$language}</option>";
                                        }
                                        ?>
                                    </select>
        
                                </div>
                                <br><br>
        
                                <label for="release_date">Release Date</label>
                                <input type="date" autocomplete="off" name="release_date" id="date" placeholder="Relese Date" value="<?php echo $relese_date; ?>"><br>
        
                                <br>
                                <label>Upload A Thumbnail Picture</label>
                                <input type="file" name="images" class="btn btn-default">
                                <br>
        
                                <label>Post the lyrics</label>
                                <textarea name="lyrics" placeholder="Description of the book"  id = "body"></textarea>
                                <br>
        
                                <label for="Genre">Choose Genre</label>
                                <div class="btn-group">
                                    <select id="country" class="dropdown" name="cat">
                                        <option class="dropdown-header" value=""><?php echo $genere; ?></option>
                                        <?php
                                        $querys = "select * from category";
                                        $sends = mysqli_query($connection, $querys);
        
                                        while ($row = mysqli_fetch_assoc($sends)) {
                                            $id = $row['id'];
                                            $category = $row['title'];
        
                                            echo "<option class='dropdown-item' value='{$id}'>{$category}</option>";
                                        }
                                        ?>
                                    </select>
        
                                </div>
        
                                <br><br>
        
                                <input type="submit" value="Post Your Song Now" name="submits">
                            </form>
                        </div>
        
                        <div class="clearfix"> </div>
                    </div>
                </div>
            </div>
            <!-- //mail -->
        <?php include "include/about_footer.php"?>

as i am clicking **submits** it's throwing me an error like bellow:
**You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ' album_tag='fefef222', youtube_id='' where id=19' at line 1**

please tell me where's my fault, i been trying to figure it out for a long.. please help....!