Since we dropped our epic Best Opening Songs and Best Closing Songs in Film lists, we've had some very enthusiastic input from our readers, many beginning with a vigorous "How could you forget about ..." and punctuated with several exclamation marks. We're still sticking to our one-director-per-countdown rule, but we just couldn't resist rounding up the most popular opening and closing song picks from Spinner commenters. Pardon the spoilers, and let's get to it!