But not just any violin — a 307-year-old Stradivarius, one of the most prized instruments in the world. Sirr has collaborated with a few violin makers to build their own Stradivarius using the ...

By Javier C. Hernández A 311-year-old Stradivarius violin sold for $11.25 million at Sotheby’s on Friday, in a closely watched auction that drew interest from investors, collectors and ...