Hypnotic and chant-like, this Christian Carrière composition hums and vibrates with what sounds like a chorus of electronic synthesizers.But that’s not what you’re hearing. It’s actually all a “no-input mixer” – a rig that makes use of controlled feedback rather than any other source of sound. It is, as Montreal-based composer Christian describes it, the sound of the circuits inside the mixer singing. And while you may associate feedback with angry distortion, here it’s beautifully tranquil, the rich tones of the circuitry themselves transformed into oscillators. The patterns and layers are all made with a looper.