Dominant Viola Strings by Thomastik-Infeld are constructed using highly flexible, multi-strand synthetic Perlon producing the tonal warmth and feel of gut. These popular viola strings are impervious to changes in humidity, allowing for stable intonation and long life. The sound is soft, clear and rich in overtones. Dominant strings, widely recognized as "the reference standard", are legendary for distinctive tone and playability. These strings are also popular with electric viola players.