Aquila 31U Ukulele Strings CONCERT Fifths Tuning - CGDA (w/ wound C & G string) e one hand, to rediscover the sonorities familiar to the great 19th and 20th century masters; and guaranteeing, on the other, a stability of tuning higher even than that of the best gut and nylon strings. set / Concert Ukulele c g d' a' - 5th Tuning (like viola)Withwound C and G-stringMade of New NYLGUTString length: approx. 76 cmNylgut strings include promptness of attack, excellent timbre and a truly remarkable stability of intonation. The new synthetic materialNew Nylgut (synthetic gut) has the same acoustic properties as gut - but without its typical defects - (high cost, limited duration and high instability under varying climatic). Nylgut has precisely these qualities: allowing one, on th