Add RSS to Main Blog Loop

/*-----------------------------------------------------------------------------------*/
/* Add Events to RSS Feed
/*-----------------------------------------------------------------------------------*/
function add_events_to_rss_feed( $args ) {
  if ( isset( $args['feed'] ) && !isset( $args['post_type'] ) )
    $args['post_type'] = array('post', 'tribe_events');
  return $args;
}

add_filter( 'request', 'add_events_to_rss_feed' );