Thank you. Here are the first lines related to eventbrite:
(events-list-2)/organizer/[0-9a-z-]+-(\d+)/?$
rewrite: index.php?pagename=$matches[1]&organizer_id=$matches[2]
(events-list-2)/organizer/[0-9a-z-]+-(\d+)/page/([0-9]{1,})/?$
rewrite: index.php?pagename=$matches[1]&organizer_id=$matches[2]&paged=$matches[3]
(events-list-2)/venue/[0-9a-z-]+-(\d+)/?$
rewrite:index.php?pagename=$matches[1]&venue_id=$matches[2]
(events-list-2)/venue/[0-9a-z-]+-(\d+)/page/([0-9]{1,})/?$
rewrite: index.php?pagename=$matches[1]&venue_id=$matches[2]&paged=$matches[3]
(events-list-2)/[0-9a-z-]+-(\d{11})/?$
rewrite: index.php?pagename=$matches[1]&eventbrite_id=$matches[2]
This is chinese to me. Does that help?