Capturing and analyzing subtle combination tones produced by violins

Phantom notes played by violins turn out to be a real sound

Why Stradivarius Violins Are Unparalleled by Modern Instruments: Chemical Clues to the Mystery

Chemical clues to the mystery of what's coating Stradivari's violins

The World's Most Famous Violins Were Treated With a Secret Chemical Mix, Study Shows

Minerals Mix Behind The Unique Sound Of 18th Century Violins, Study Suggests