Torres, RitaFerreira-Lopes, Paulo2025-08-052025-08-052012-01-011646-9798dd8e61bf-2c0e-4712-b1ee-a3bd29d37942http://hdl.handle.net/10400.14/54133Multiphonics on the classical guitar is currently being researched by the present authors in regard to the reproducibility of the sounds originated and the suitability of the technique as a compositional element in writing for amplified guitar. Our hypotheses are to be tested, for which criteria for the data collection and treatment were established and are here detailed.engAmplified guitarCompositional elementExtended techniquesGuitarGuitar multiphonicsMultiphonicsVirtual fretresearch article10.7559/citarj.v4i1.67