The Yamaha DGX-640 also represents a divide between many piano players, musicians, and producers, in that it’s one of the prominent digital pianos that forge a new direction, mainly towards music production. While some are looking for a product that will replicate the experience of an acoustic piano, some are looking for a product that will take their music production to a new level, while maintaining a traditional piano feel. We’re no longer talking about a machine that has only eight tones and provides the simple basics of a piano. This is a machine that comes with all the proverbial ‘bells and whistles.’