D 'Addario's stainless steel Bajo Quinto set delivers a super bright tone and a magnetic response that is compatible with instruments that have electromagnetic pickups for amplification. D 'Addario offers a wide variety of ethnic instrument strings designed to the exacting specifications of our artists, instrument partners, and international customers. Our computer-controlled winding machinery, laser micrometer inspection, and closed-loop tension control systems promise unrivaled quality and consistency, set after set.