Force Title Tag Re-Write

<?php
function yoast_add_title( $title ) {    global $fp_variant; if($fp_variant == 'album')  {   return "INSERT TITLE HERE"; }   else    {    return $title; }}

add_filter( 'wpseo_title', 'yoast_add_title' );

function yoast_add_metadesc( $desc ) {
    global $fp_variant; if($fp_variant == 'album')  {   return "INSERT DESCRIPTION HERE";   }   else    {    return $desc;  }}

add_filter( 'wpseo_metadesc', 'yoast_add_metadesc' );

function yoast_add_metakey( $key ) {
    global $fp_variant; if($fp_variant == 'album')  {   return "INSERT KEYWORDS HERE";  }   else    {    return $key;   }

}
add_filter( 'wpseo_metakey', 'yoast_add_metakey' );