It starts with a black board displaying a white title, immediately followed by a brief control signal - a 440 Hz square wave. 　　The screen then shifts to a subtly grainy blue. After a few seconds, the first drum beat emerges—abrupt and fleeting, reminiscent of an 808 (or even a 606) rather than a 909. As the drum resonates, the blue background changes its hue in sync with the vol...