As I have about 4100 items marked with a play count of 0 on my iTunes Library; I thought it would be an idea to listen to all the music I have; while most of these have been listened to on my iPod; or before the play count was reset when I re-built my library this does not mean I have never listened to them.

The easiest way to work through this task is to make a smart playlist that only lists songs with a play count of zero; to do this open iTunes > File > New Smart Playlist > Then enter the following:

This may take a while as the current listing is 4103 items 11.8 days.