I've been giving the theme song a listen and it's pretty catchy! The series has a solid 8.2 on IMDb, so it seems promising. It's a bummer that it's not finished yet, though. I've been trying to avoid starting series that are still ongoing. For the series theme songs I share, I usually stick to ones I've completed, but I think it's okay to make exceptions sometimes. I've added this one to my IMDb watchlist. If you're into spy thrillers, you should definitely check out The Americans.