As I sat on the train this morning, open book in hand, vaguely looking out of the window at the commuters on the platform of the station we'd just pulled into, I was suddenly struck by the sound of birds singing brightly and proudly. As the doors slammed shut and the train pulled away, onwards to the grey concrete city of London, the sound of those birds stayed with me, making me feel light and happy, and I walked to the office with a spring in my step. Read more