Brand Taxonomy

$tax_query = array(
	'relation' => 'AND',
	array(
		'taxonomy'         => 'product_brand',
		'terms'            => 'pioneer-dj',
		'field'            => 'slug',
	),
	array(
		'taxonomy'         => 'product_visibility',
		'terms'            => 'featured',
		'field'            => 'name',
		'operator'         => 'IN',
	),
);