books.google.co.uk - Though ubiquitous today, available as a single microchip and found in any electronic device requiring sound, the synthesizer when it first appeared was truly revolutionary. Something radically new--an extraordinary rarity in musical culture--it was an instrument that used a genuinely new source of sound:...https://books.google.co.uk/books/about/Analog_Days.html?id=3hjvWzkMK-sC&utm_source=gb-gplus-shareAnalog Days
