The teenage girl was obviously excited and couldn't sit still on her seat. Whatever she was waiting for caused her mind to go into overdrive and she couldn't concentrate on the magazine in her hands or the scenes passing by her window for very long before returning to the other.

A woman nearing her 50's stared across the plastic table at her teenage daughter. The girl's lips moved hurriedly through a mass of words she was using to describe trains - pointless really but she had to speak of something to stop her mind from bursting. The woman could feel a partition between them, from which she could see her own actions replayed in her daughter. Words of "Beatles" and "A Hard Days Night" floated through the emptiness of the air and briefly touched the woman's heart before dissolving into oblivion. The girl's frantic speech was a plea for her mother to listen but she couldn't. She still felt shut off.

The girl - who was by now peering back into the magazine - exclaimed in delight and held out a picture for her mother to see. Suddenly their lives touched and a distant memory from the past floated through the woman's mind, calling her back to listen: