You will recognize this beautifully evocative piece of music immediately y 'It can be used in many ways-as a self running file with embedded music, its useful to have running as the children enter the hall for Assembly. There are questions and pointers to focus the children's attention to the music.. I have cut it to 3 minutes, but the file is programmed to run on a loop. It can be used in the day to soothe and calm. Sound will only be heard in slide mode,.