Original sentence: Paul Potts, a manager of a Welsh branch of the Carphone Warehouse won ITV's Reality show Britain's Got Talent on 18th June 2007 with his performance of Puccini's "Nessun Dorma"
Edited sentence: Paul Potts, a manager of a Welsh branch of the Carphone Warehouse won ITV's Reality show Britains Got Talent on 18th June 2007 when he wowed the public with his astounding opera talent and heart-stopping performance of Puccini's "Nessun Dorma"