These strings have been developed following the indications we received from Ruben Diaz (that has been a pupil and close collaborator of Paco de Lucia): according to Paco de Lucia, as a matter of fact, the tension of the strings used for Flamenco needed to be further increased as compared to those used on the classical guitar, while making sure that all strings had the same tactile feel under the fingers (i.e. the "equal feel" that ancient lutenists referred to). Thanks to these indications, we were able to develop this special set that we want to dedicate to Paco. .