It's astounding. Time is fleeting. Madness takes its toll. Yes, Richard O'Brien's brilliant Rocky Horror Picture Show is back in Berlin, part of a major European tour. As mad and essential as it was when it first appeared in 1975, we have no idea if turning up in drag is the done thing in these parts or not. Bring your stilettos just in case. Performed in English, there are matinees on Saturday and Sunday.