Perfect sound. What is it exactly? You can measure it, reducing it to frequencies and amplitudes, or you can recognize it as something else. The way your room is set up. Your mood. What you expect and what you’re used to. When I told David Byrne, the author, artist and former Talking Heads frontman about my quest, he told me that nothing compared to that time, as a teenager, he heard Jimi Hendrix on his transistor radio.