After more than two decades of observations at several factors implied in Classical Guitar Technique, Humberto Bruni developed several devices that help develop finger independence.
That independence is key factor for playing the uttermost difficult pieces of the repertoire written for the instrument, some of them are simple unreachable for thousands of Classical Guitar players around the World.
Below, there is a presentation of the Scientific and Proven detailed Theory behind the inventions of the Classical Guitar – Computer Aid device (CG - cad)
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