<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
G:\xampp\htdocs\wordpress4\wp-content\themes\shopping\functions.php
function register_cpt_music_review() {
$labels = array(
'name' => _x( 'Music Reviews', 'music_review' ),
'singular_name' => _x( 'Music Review', 'music_review' ),
'add_new' => _x( 'Add New', 'music_review' ),
'add_new_item' => _x( 'Add New Music Review', 'music_review' ),
'edit_item' => _x( 'Edit Music Review', 'music_review' ),
'new_item' => _x( 'New Music Review', 'music_review' ),
'view_item' => _x( 'View Music Review', 'music_review' ),
'search_items' => _x( 'Search Music Reviews', 'music_review' ),
'not_found' => _x( 'No music reviews found', 'music_review' ),
'not_found_in_trash' => _x( 'No music reviews found in Trash', 'music_review' ),
'parent_item_colon' => _x( 'Parent Music Review:', 'music_review' ),
'menu_name' => _x( 'Music Reviews', 'music_review' ),
);
$args = array(
'labels' => $labels,
'hierarchical' => true,
'description' => 'Music reviews filterable by genre',
'supports' => array( 'title', 'editor', 'author', 'thumbnail', 'trackbacks', 'custom-fields', 'comments', 'revisions', 'page-attributes' ),
'taxonomies' => array( 'genres' ),
'public' => true,