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if ( ! function_exists('generate_concerts_post_type') ) {

// Register Custom Post Type
	function generate_concerts_post_type() {

		$labels = array(
			'name'                => _x( 'Concerts', 'Post Type General Name', 'ale' ),
			'singular_name'       => _x( 'Concert', 'Post Type Singular Name', 'ale' ),
			'menu_name'           => __( 'Concerts', 'ale' ),
			'name_admin_bar'      => __( 'Concerts', 'ale' ),
			'parent_item_colon'   => __( 'Parent Item:', 'ale' ),
			'all_items'           => __( 'All Concerts', 'ale' ),
			'add_new_item'        => __( 'Add New Concert', 'ale' ),
			'add_new'             => __( 'Add New', 'ale' ),
			'new_item'            => __( 'New Item', 'ale' ),
			'edit_item'           => __( 'Edit Item', 'ale' ),
			'update_item'         => __( 'Update Item', 'ale' ),
			'view_item'           => __( 'View Item', 'ale' ),
			'search_items'        => __( 'Search Item', 'ale' ),
			'not_found'           => __( 'Not found', 'ale' ),
			'not_found_in_trash'  => __( 'Not found in Trash', 'ale' ),
		);
		$rewrite = array(
			'slug'                => 'concerts',
			'with_front'          => true,
			'pages'               => true,
			'feeds'               => true,
		);
		$args = array(
			'label'               => __( 'Concert', 'ale' ),
			'description'         => __( 'Concerts Description', 'ale' ),
			'labels'              => $labels,
			'supports'            => array( 'title', 'editor', 'revisions', ),
			'hierarchical'        => false,
			'public'              => true,
			'show_ui'             => true,
			'show_in_menu'        => true,
			'menu_position'       => 5,
			'menu_icon'           => 'dashicons-format-audio',
			'show_in_admin_bar'   => true,
			'show_in_nav_menus'   => true,
			'can_export'          => true,
			'has_archive'         => true,
			'exclude_from_search' => false,
			'publicly_queryable'  => true,
			'rewrite'             => $rewrite,
			'capability_type'     => 'page',
		);
		register_post_type( 'concerts', $args );

	}
	add_action( 'init', 'generate_concerts_post_type', 0 );

}

add_action( 'after_switch_theme', 'twenty_refresh_permalinks' );
function twenty_refresh_permalinks() {
	generate_concerts_post_type();
	flush_rewrite_rules();
}

add_filter( 'enter_title_here', 'twenty_enter_title_placeholder', 10, 2 );
function twenty_enter_title_placeholder( $enter_title, $post ) {
	if ( 'concerts' === get_post_type( $post ) ) {
		return 'tonto';
	}

	return $enter_title;
}