Myleene Klass to perform with such established artists as Lionel Richie, Celine Dion, Bradley Walsh, Blue and Atomic Kitten. At the end of 2001, Hear'Say appeared on the Royal Variety Performance. Subsequently, the group achieved a 37-date sold-out arena tour and performed numerous television guest appearances. Klass made many appearances with Hear'Say on TV and in live performances during 2002. The pop act's many promotional appearances during the year were also broadcast as part of their own TV shows, entitled "Hear'Say: A New Chapter in Full" and "The Hear'Say Story". In total, Hear'Say had four Top 10 singles including two number-ones in
Perri Klass the sister of screenwriter David Klass, with whom she wrote the young adult novel "Second Impact". She is the niece of Philip Klass, who wrote science fiction under the name William Tenn. Perri Klass Perri Klass (born 1958) is an American pediatrician and writer who has published extensively about her medical training and pediatric practice. Among her subjects have been the issues of women in medicine, relationships between doctors and patients, and children and literacy. She is the author of both fiction and nonfiction novels, stories, essays, and journalism. Klass is Professor of Journalism and Pediatrics at New York University,