"20 years of Pop Ambient. Already? One didn’t notice. It’s an anniversary which comes quietly. An anniversary with quiet tones. In the spirit of the special restraint of pop-elegance, it has no reason to drawn attention to itself with a big "Tam-Tam". Or better: "Bum-Bum". The bass drum stays outside. Nevertheless, in fast-paced, overstimulated times of moving forward, it’s a joyful occasion to look back. What strikes most by putting or listening to 20 years of pop ambient in a row is the cent…