TE front page wizzardry

add_filter('body_class', 'adapt_body_class_front_page', 20, 2);
function adapt_body_class_front_page($wp_classes, $extra_classes) {

if( is_front_page() && is_page_template('sidebar-page.php')  ) :
// List of the only WP generated classes allowed
$remove = array('one-column','content');
// Filter the body classes
  foreach( $remove as $val ) {
    if (!in_array($val, $wp_classes)) : continue;
    else:
      foreach($wp_classes as $key => $value) {
      if ($value == $val) unset($wp_classes[$key]);
      }
    endif;
  }
endif;
$class = array();
$class[] =  'two-column';
$class[] =  'right-sidebar';

return array_merge($wp_classes, (array) $extra_classes, $class );
}