You have to be aware of what you`re doing while using this guitar. It can be a real helpful thing. But when you just look at the lights and without always reminding yourself of what scale you`re in then it`s of no use.

So as a guitar teacher my thumbs go up for this thingie, but use it with brains. Not like the folks that make a U-turn in a single tube tunnel, just because the GPS told them so;-))


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