get posts with custom tax and custom fields

// WP_Query arguments
$args = array(
	'post_type'              => array( 'tribe_events' ),
	'post_status'            => array( 'publish' ),
	'tax_query'              => array(
		'relation' => 'OR',
		array(
			'taxonomy'         => 'artwork_tags',
			'terms'            => 's',
			'field'            => 'name',
			'operator'         => 'IN',
		),
	),
	'meta_query'             => array(
		'relation' => 'OR',
		array(
			'key'     => '_EventStartDate',
			'value'   => 'startDate',
			'compare' => '=',
			'type'    => 'DATE',
		),
		array(
			'key'     => '_EventStartDate',
			'value'   => 'datrtDate2',
			'compare' => '=',
			'type'    => 'DATE',
		),
	),
);

// The Query
$query = new WP_Query( $args );

// The Loop
if ( $query->have_posts() ) {
	while ( $query->have_posts() ) {
		$query->the_post();
		// do something
	}
} else {
	// no posts found
}

// Restore original Post Data
wp_reset_postdata();