Muse: Teacher Meta Query
$meta_query = array( 'relation' => 'AND', array( 'key' => 'genres_taught', 'value' => 'poetry', ), array( 'key' => 'teaching_status', 'value' => 'active', ), array( 'key' => 'featured_status', 'value' => 'featured', ), );
$meta_query = array( 'relation' => 'AND', array( 'key' => 'genres_taught', 'value' => 'poetry', ), array( 'key' => 'teaching_status', 'value' => 'active', ), array( 'key' => 'featured_status', 'value' => 'featured', ), );