: The operating system it is designed for (now known as macOS).
He smiled, closed the laptop, and decided to lie. “Just my ears,” he’d tell them. “Just my ears and a little bit of midnight madness.” Mixed In Key v7.5.1 OS X -TNT--dada-
: A built-in piano feature allows DJs to manually verify keys and improve their ear training. : The operating system it is designed for