This music – 80 years of requiems, motets and berceuses forged in the aftermath of Dresden’s fiery destruction – is what I had come to Germany to explore for a BBC Radio 3 Sunday Feature that will be broadcast tonight. I found out quickly that while Helbig’s piece strikes a hopeful tone – the letter A in his title standing for “Anfang”, German for “Beginning” – the earliest musical responses to the bombing were much darker. The first major piece was composed by Rudolf Mauersberger, the longstanding director or cantor of the Kreuzchor, the world-famous boys’ choir of the Kreuzkirche....