"Every time it rains it feels like I'm being cleansed! Shouts a man with a guitar, beaming round at the people with umbrellas and hoods hurrying past him. I wander past with my hands in my pockets, rain bouncing off my head. The man is standing with his bare feet apart, grinning straight ahead. He sees me watching him and jumps up, clapping the balls of his feet together in quick succession. "I'm learning to do three! He says, slapping his feet together twice before they land back onto the cobbles. "I'll do it! "I hope you do. I say, without stopping. "I'll call you Mary! He shouts, rain dripping off the end of his nose.