"I don't want to Spoil the Party" by The Beatles. I had it stuck all through work the past couple days. It makes work a lot more enjoyable and any Beatles song makes lunchtime creep up faster.
[video=youtube;6GggY4TEYbk]http://www.youtube.com/watch?v=6GggY4TEYbk&feature=related[/video]
couldnt explain what song I found on youtube but its stuck in my head