http://animamediterranea.eu/2019/06/arte-it/violas%ef%bc%8cviolins%e5%92%8ccellos%e7%9b%b4%e6%8e%a5%e6%9d%a5%e8%87%aa%e5%88%b6%e7%90%b4%e5%b8%88%e6%89%8b%e4%b8%ad
Violas,Violins和Cellos直接来自制琴师手中