Violist David Aaron Carpenter of the U.S. holds the 'Macdonald' Viola by Antonio Stradivari, made in 1719, at Sotheby's gallery in New York March 27, 2014. The 'Macdonald' Viola, a rare Stradivari ... more 
Violist David Aaron Carpenter of the U.S. holds the 'Macdonald' Viola by Antonio Stradivari, made in 1719, at Sotheby's gallery in New York March 27, 2014. The 'Macdonald' Viola, a rare Stradivari viola considered to be one of the finest in existence, is expected to fetch more than $45 million in a sealed bids sale this spring, which would set a world record for the most expensive musical instrument ever sold. The viola is the first to be on the market in 50 years, according to Sotheby's auction house. REUTERS/Eduardo Munoz (UNITED STATES - Tags: ENTERTAINMENT SOCIETY) less 
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Reuters | Photo By EDUARDO MUNOZ / REUTERS
Thu, Mar 27, 2014 2:00 PM EDT