Evah Pirazzi Gold Viola D String 4/4 Medium Silver. An expansion to the popular Evah Pirazzi line, the Pirastro Evah Pirazzi Gold Viola D string offers synthetic multi-filament fiber core that are slightly warmer sounding compared to the standard Pirazzi line. With a shorter break-in time, this string is not affected by variations in temperature and humidity creating a string with excellent tuning stability. With a brilliant warm tone, this string offers greater dynamic range with rich overtones plus outstanding response. The Pirastro Evah Pirazzi Gold Viola D String is available in medium tension with silver winding.