In 2002, Grehan performed at the Odyssey Belfast for "One Enchanted Evening," alongside Peter Corry, Brian Kennedy, Joanna Ampil (Les Misérables, Miss Saigon, Jesus Christ Superstar), and Jeff Leyton (Les Misérables).
Corry's production company, 'PC Productions" brought One Enchanted Evening to the Odyssey venue. Joanna Ampil, Barbara Dickson and Brian Kennedy shared the stage with Corry and a choir of 850 and "The Night of 1000 Voices" at the Odyssey Arena. It also staged "The Night of 1000 Voices" starrind David Essex and Sir James Galway.
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He performed as Dean Martin in The Rat Pack, starred in Night of 1,000 Stars at the Royal Albert Hall and performed in The Music of Andrew Lloyd Webber.
Peter Pan | Peter Gabriel | Peter Jackson | Peter | Saint Peter | Peter Paul Rubens | Peter Sellers | Peter the Great | Blue Peter | Peter Frampton | Peter Greenaway | Peter Brook | Peter Lorre | Peter Ustinov | St. Peter's Basilica | Peter Kropotkin | St. Peter | Peter Fonda | Peter Kay | Peter David | Peter Mandelson | Peter O'Toole | Peter Allen | Lord Peter Wimsey | Peter Sellars | Peter Schreier | Peter, Paul and Mary | Peter Davison | Peter Singer | Peter Maxwell Davies |
George Best – A Tribute is a single released by Brian Kennedy and Peter Corry as a tribute to former Irish professional footballer George Best, who died in November 2005.