A new orchestral piece has been composed to highlight the issues of climate change. It was commissioned by Christian Aid to celebrate their 75th Birthday this year. Song of the Prophets, a Requiem for Climate Change will be performed at St Paul's Cathedral next weds 9th June in the build up to the G7 summit.Sally Foster-Fulton from Christian Aid and cellist Ayanna Witter-Johnson who composed one of the movements joined Premiers Esther Higham to us more.