Omagh's many musicians and showbands feature in a new exhibition called "Sights and Sounds of the Showband Era at the Strule Arts Centre in the town. Anne Marie McAleese called in to have a look around with the Heritage Officer for Fermanagh and Omagh District Council, Melissa Harpur. And Ulster History Circle unveils a blue plaque for a "human computer" from Armagh. Hugh Breen was an exceptional mathematician and astronomer, the head of the Scientific School at the Armagh Mechanics’ Institute. Later he became a human computer at the Royal Observatory in Greenwich where he was in charge of large amounts of vital numerical data. Sean Barden, the curator of the Armagh Museum told Anne Marie why he nominated Hugh Breen for the plaque. Presented by Anne Marie McAleese.