In this video I’m doing a straight-up sound demo of the SKY6604 $329 digital piano that comes with 700+ voices. Before you spend your money, I want you to actually hear what’s inside—because specs don’t tell you how a keyboard really feels in real use. I run through the main categories and let the tones speak for themselves, so beginners and budget buyers can decide if it’s “good enough” for practice, church, studio ideas, or just having lots of sounds to play with. I test piano sounds first, then I move through percussive tones, organs, guitars, basses, solo strings, string ensembles, brass, reed and wind instruments, synths, pads, and a bunch of SFX/special sounds. The goal is not to overhype it—it’s to give you a realistic reference of what you’re getting at this price point. If you’re comparing entry-level 88-key keyboards and you care about variety, this demo helps you quickly spot which categories impress you and which ones you might not use much.