Countdown to Skyfall - Alternative themes and leaked Skyfall theme

The James Bond themes songs have often become as famous as the movies themselves, and over the years there have been many song rejected at the eleventh hour by the producers. Quite often these song have been better than the chosen titles, and finally we have (we think) a leaked version of the forthcoming Skyfall that some naughty poster stuck on You Tube

Here are several rejected Bond themes.