What is love? How soon is now? Is there life on Mars?How do you solve a problem like Maria? They're some of the most famous questions ever asked. But do you know the answer to them? In Should I Stay or Should I Go?, award-winning journalist James Ball travels from the economic status of doggies in windows, to what war is good for and what becomes of the broken hearted to find out the definitive, fascinating and hilarious answers.In doing so he uncovers what we have always known - pop music is the key to life itself.