￥ Audioz | 1 October 2020 | 21.71 GB AMATI VIOLA – ‘STAUFFER’ A pioneering luthier, Andrea Amati is widely regarded as the inventor of the violin as we know it. His son Gerolamo continued this tradition in the family workshop in Cremona, and built the quartet’s oldest instrument, the ‘Stauffer’ viola, in 1614.