Rewrite band taxonomy slug

rewrite-band-taxonomy-slug.php

/**
 * Rewrite band taxonomy slug
 */
function theme_change_band_taxonomies_slug( $args, $taxonomy ) {
	if ( 'band' === $taxonomy ) {
		$args['rewrite']['slug'] = 'artist-releases';
	}
	return $args;
}
add_filter( 'register_taxonomy_args', 'theme_change_band_taxonomies_slug', 10, 2 );

/**
 * Edit band taxonomy rewrite rule
 */
function theme_band_url_rewrite(){
	add_rewrite_rule( "^artist-releases/([^/]*)$",'index.php?band=$matches[1]','top' );
	flush_rewrite_rules();
}
add_action( 'admin_init', 'theme_band_url_rewrite' );