The magic is when a player uses the instrument in this case an arranger KB combined with awesome chops to create amazing music with an arranger. Having the experience and good fortune to have played with other talented musicians in a band scenario really helps when using an arranger KB successfully in that one would know how all the parts work together to create a unified collaboration of musical parts to form a song. That said it will also teach you how to sit in the "Mix" and know how to comp,sing, & when to solo to produce an arranger KB song in a very effective way. Exercises in memorizing, timing, playing sounds correctly, playing off the cuff & out of the box, are imperative. Of course the layman audience will always be amazed at the technology, but you owe it to yourself to be the best you can be which in turn will give you inner satisfaction as a musician either on stage, studio, or even in your living room.