How to add rtMedia custom settings?

How to add rtMedia custom settings just like the example image above? Just add the codes to your functions.php of your theme.

add_filter( 'rtmedia_add_settings_sub_tabs', 'wdes_music_rtmedia_pro_settings_tabs_content' );
function wdes_music_rtmedia_pro_settings_tabs_content( $tabs ){
	$tabs[] = array(
		'href'     => '#rtmedia-music-genre',
		'icon'     => 'dashicons-admin-tools',
		'title'    => esc_html__( 'Music Genre' ),
		'name'     => esc_html__( 'Music Genre' ),
		'callback' => 'wdes_music_genre_settings_callback',
	);
 	return $tabs;
}

function wdes_music_genre_settings_callback(){
	global $rtmedia;
	?>
    <div class="rtm-option-wrapper">
        <h3 class="rtm-option-title">Music Genre</h3>
        <div class="wdes-music-genres">
            <p><?php
                printf(
                    '<input type="text" name="rtmedia-options[wdes_music_genre]" id="wdes_music_genre" value="%s" />',
                    $rtmedia->options['wdes_music_genre']
                );	
            ?></p>
        </div>
    </div>
    <?php
}