<?php
/*
Removes the 'singular' class from the body class attribute on event pages
*/
function remove_singular_body_class($wp_classes, $extra_classes) {
  if( em_is_event_page() ) {
    // Filter the body classes
    foreach($wp_classes as $key => $value) {
      if ($value == 'singular') unset($wp_classes[$key]);
    }
  }
  return $wp_classes;
}
add_filter('body_class', 'remove_singular_body_class', 20, 2);
?>