Classical guitar strings. Knowledge plus the innovations dedicated to the CANTIGA strings lead to the creation of the “polished basses CANTIGA wound with reinforced pure silver”. They are associated to associated to Alliance treble strings. Strings offer significant advantages pushing them far ahead of other polished strings: Features Very large harmonics spectrum, expression, nuances, accurate response, easy playing - Very long lasting life - They easily compare with round silver plated copper wound strings but presenting a smooth surface.