If you’ve ever heard composer Johannes Brahms’s Violin Concerto in D Major, you may have already experienced the magic of the Joachim-Ma Stradivarius.
The world-famous violin is estimated to go under the hammer at Sotheby’s New York next month where it’s estimated to fetch anywhere from $12 million to $18 million, a sum that would break the record for the most expensive instrument ever sold, Bloomberg reported on Wednesday. The Lady Blunt Stradivarius, formerly owned…

