Coming out of my hotel just off Berlin's Ku'dam, I found myself accidentally right outside the hotel I stayed in 23 years ago when working on Roger Waters' 'The Wall', Berlin 1990. Later in the day, when enjoying being a tourist, I realise that the impressive Holocaust Memorial between the Brandenburg Gate and Potsdamer Platz sits right where my portakabin was. I had a tiny office, shared with a colleague while all around us the stage was built, rehearsals performed, costumes created and tantrums calmed. Usually. One of my most vivid memories was the day of the show in July 1990, trying to monitor the 'Access All Areas' passes. These coveted AAA laminates were worn around the neck of stars and their friends, families and 'staff'. Some of the requests were reasonable, friendly and satisfied (Bryan Adams could have had anything he lik - he was full of respect). Others were difficult, arrogant and downright nasty (naming no names, but they know who they...