A choir of remarkable children and young people who look after sick or disabled relatives will take centre stage next month when Barnardo’s Cymru hold a fundraising concert. The Merthyr Young Carers’ Choir, whose members are aged between nine and 15, often have heavy responsibilities at home helping to look after parents or siblings. But every week they have a night off to sing their hearts out with the choir which meets in Dowlais. On Monday, March 2 they will…