Eduardo Castaño Nogueras "SYL" violin, op. 35, Querétaro 2025 | Metzler Violinseven, bright, full About the Instrument This violin has a consistent sweetness and resonance across registers. The umber varnish is over a golden ground. Its medium flames fall across the center joint of the two piece back in a diagonal fashion, giving it the appearance of a single piece. Somewhat lighter flames run along the ribs and the scroll is of a plainer wood. This instrument is modeled on a violin made by Carlo Bergonzi in 1735, also known as