Pirastro Gold Label Violin Strings Review The Pirastro Gold Label E is popular in the market for its ability to work well with any brand of G, D and A strings. Violinists often opt for the Pirastro Gold Label E string to fit with their Thomastik Dominant string set, as it is much warmer tone, higher volume and a more complete sound than the Dominant E. Furthermore, it cost inexpensively.