set / Viola Caipira 10-string (5-course) bB eE g#G# bb ee Made of NYLGUT The investigative work has always had the objective to make an artificial cord that had the same acoustic properties of the gut cords, without its typical defects (short life time, high prices, excessive sensitivity to the atmospheric variations). With the new synthetic material Nylgut® ("synthetic gut")  these defects have been (...)