D'Addario Pro Arte Composites Lightly Polished EJ45LP-normal tension http://douglasniedt.com/techtipguidefingers.html
Douglas Niedt说John Williams如是说：
He was very excited about the strings he was using: D'Addario Pro Arte
Composites Lightly Polished EJ45LP-normal tension (you can order the basses
separately). He explained that the basses were lightly polished and that he
could now play things like the fast middle section of Villa-Lobos' Prelude
No. 4 without having to lift his fingers off the str
