Brothers Ira and Charlie Loudermilk, better known as the Louvin Brothers, brought to popularity the aptly-titled country sub-genre known as “close harmony.” The two released a string of hit country singles between 1955 and their breakup in 1962, including the No. 1 song “I Don’t Believe You’ve Met My Baby” and the oft-covered “Cash on the Barrelhead.” Ira was struck and killed by a drunk driver in 1965. Charlie died on January 26, 2011 at the age of 83. —Jeff Royer
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