On the workFor many years I was the director of festive music at our local church in Orpington. I always carried a little music notebook on me for use during the sermons. I remember writing a series of notes, as a challenge to use as a melody when I got home, then I realised it used all twelve notes of the scale. Having been penned during a sermon, I decided to use this as a structure. The tone row became the sermon and the following variations the reactions to this sermon. As a clue to the idea...