Former X Factor star Nicky McDonald has teamed up with NHS doctors and nurses for a charity single.As well as Nicky, of Motherwell, the country’s frontline workers in the NHS joined a host of other celebrities from Britain’s most popular television and reality shows on the single that will see funds donated to NHS Charities Together in support of the Covid-19 appeal.The chosen track, Mariah Carey’s “Hero” has been engineered and produced by Ed John of Apple Acre Studios, and has seen Nicky collaborate from afar with Gogglebox’s Sandra Martin, Sandi Bogle and Amy Tapper, Towie’s Yazmin Oukhellou and Celebs Go Dating star Callum Izzard, Ex on the Beach star Jess Impiazzi, cage fighter and actor Alex Reid, Coronation Street actress Amanda