In the late 1980s, Jon was hired as a backup singer for pop superstar Gloria Estefan.

VOA: standard.2010.04.02

Several Hispanic entertainers performed during the presentation, led by singer Gloria Estefan.

CNN: Bush: U.S. still in danger, but strong

His visitors may be well-known, but are not always of global significance: the past fortnight brought Bill Cosby, an American actor, Gloria Estefan, a Cuban-American singer, Britain's Princess Diana, and Hillary and Chelsea Clinton.

ECONOMIST: South Africa