So, is this the future of drum machines? Of course not. An Akai-style sampler has a physical interface, too, and it’s more usable than these. But after a slow start, watch as the video gets further in for some quirky tapping action, particularly when the boxes get taped to bottles and whatnot.
Alternative to this approach: many tap-loving musicians have gone the opposite route, taping contact mics to objects and tapping them, then feeding into a computer. (Admit it: you want to tap the bottle directly, not just tape an electronic box to it.) Oh yeah . . . and there are those things called drums. But they’re annoying.