cats & tags

$tax_query = array(
	array(
		'taxonomy'         => 'event_tag',
		'terms'            => array( '4404', ' 4460' ),
		'field'            => 'term_id',
		'operator'         => 'IN',
		'include_children' => false,
	),
	array(
		'taxonomy'         => 'event_tag',
		'field'            => 'term_id',
		'operator'         => 'IN',
		'include_children' => false,
	),
);