Gah, not A/B testing nonsense. Want an A/B test? Put your hi-fi in the same room with a real singer, or an acoustic guitar, or whatever musical instrument, and

Gah, not A/B testing nonsense. Want an A/B test? Put your hi-fi in the same room with a real singer, or an acoustic guitar, or whatever musical instrument, and see how hard it is to tell them apart. Not very, I assure you. Interestingly, we can pick up very subtle and useful musical cues from very poor recordings and reproduction. It's a complex thing.