 Under Boone 's direction , the Singing Cadets won several international singing competitions . They won the silver medal in an International Choral Festival in Hawaii in 1979 . In 1983 they received the silver medal in Mexico . In 1993 , they returned to Hawaii , taking the gold medal . Other major tours during the 1980s included several occasions marking the Texas <unk> anniversary in 1986 , and European tours in 1987 and 1989 . In 2004 , the Singing Cadets journeyed to Australia , and sang the Australian national anthem ( Advance Australia Fair ) on the first concert of that tour . In May 2006 the Cadets performed at the White House at the invitation of President George W. Bush for an event to honor America 's returning athletes from the 2006 Winter Olympics . Also in 2006 , the cadets performed at the Miss Texas <unk> . In its 2006 @-@ 2007 season , the Cadets performed over sixty concerts in the United States , plus a tour to South America during the summer , where they traveled to Argentina , Uruguay and Brazil . The Singing Cadets toured South Africa in 2010 and will be touring China in May 2013 . 
