Over the last few years, a number of companies have come out with products that produce vocal harmonies and they are all quite amazing.
A vocal harmonizer uses complex technology to read both your voice and your guitar to produce 'spot on' harmonies. One, two, three, or more harmony parts can be achieved.
I've use them and I've watched other performers using them. If used to enhance key parts of a song, say the chorus, audiences are quite impressed.
Like any technical 'gadget,' a vocal harmonizer should be used with restraint. Over-use will result in your performance slipping into the 'cheesy' category, and we don't want that, do we?
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