Here's a bit of actual concert schmooze from a noted performer. All you have to do is guess who said it. Winners receive absolutely nothing except the right to feel incredibly smug. ''Have you noticed that the older you get, the longer it takes to pee? That's why the intermission was so long.'' a. Sammy Hagar of Van Halen b. Barry Manilow c. Bobby Brown

ANSWER: B. Radio City Music Hall, New York, March 6. Brings new meaning to ''I Made It Through the Rain.''