This undated file photo shows country singer Slim Whitman. Whitman died on June 12, 2013, of heart failure in Florida. He was 90. Whitman's career began in the late 1940s, and his tenor falsetto and ebony mustache and sideburns became global trademarks. They were also an inspiration for countless jokes thanks to the ubiquitous 1980s and 1990s TV commercials that pitched his records.