Pirastro Evah Pirazzi Cello Strings (Standard and Solo)Pirastro Evah Pirazzi Cello Strings (Standard) : Features: The A and D strings have a core made from a single filament of high tensile steel and are wound with chrome steel. The G and C strings have a rope core wound with tungsten. The A and D strings offer great brilliance combined with a warm core sound. The transition from the D to the G string is smooth, whereas the G string offers even more depth and a greater sound volume. The C string has a