Carlos Alberto Sánchez (born in Girardot, Colombia, 1974), better known in the entertainment world as Charlie Zaa, is a Colombian singer. Zaa is the son of singer Luis Humberto Sánchez. 　　Early and personal life 　　Zaa was a singer with two Colombian salsa orchestras: "Grupo Niche" and "Guayacán".When he launched his career as a solo artist, he decided to switch to the bolero rhythm.This career decision was made during the middle 1990s. 　　On July 23, 2004, Zaa suffered a severe abdominal pain as he was about to begin a concert in Ponce, Puerto Rico. He couldn't perform that day, having to be taken to a local hospital. Zaa was then flown to Miami, Florida, where he remained hospitalized until he was diagnosed with having a kidney condition. Soon after, his personal doctor corrected the problem in a surgery performed in his native Colombia. 　　Music career 　　Charlie Zaa has recorded over 10 albums since launching his career as a solo artist. His record Sentimientos, in which he sings some past hit songs, sold over three million copies throughout Latin America and the United States.His albums Sentimientos and Un Segundo Sentimiento led to him winning the 1998 Artist of the Year award at the Billboard Latin Music Awards.For his fourth album, Zaa returned to the Sonolux studios in Bogotá, where he made his first album Sentimiento, and to his original producer, Milton Salcedo, and recorded old romantic standards, boleros and waltzes, in an attempt to replicate the success of Sentimiento.Zaa's album De Un Solo Sentimiento was nominated for a Latin Grammy Award in 2002.In 2011, Zaa's album De Bohemia reached the top of the Billboard Latin Albums chart.