Billy Pontoni, (born 1954) or Guillermo García, joined the Pedro Morales Pino conservatory in his hometown Cartago, Colombia as a child.
There he became a regular performer at the Club del Clan TV Show, where his name was changed to Billy.
In 1978 the singer was selected by RCN to represent Colombia in the seventh edition of the OTI Festival, which was held in Santiago, Chile.
Since then he has released many hits in several musical styles: Alguien cantó una canción, Dime qué pasó, Por qué ahora, Borra, Luna Roja, I like mena, Angélica, retarda, Cómo hacerle entender que la amo, Tu Complemento and many more.
He has shared the stage with many people such as Julio Iglesias, Camilo Sesto, Raphael, Joan Manuel Serrat, and Daniel Santos.