Who are the Latin pop duo based in Mexico who became popular after the release of their 2002 debut album and performed at Premio Lo Nuestro 2004?
Premio Lo Nuestro 2004:  The artists who performed in the show were:Ricky Martin, Thalía, Ricardo Arjona, Marco Antonio Solís, Sin Bandera, La Oreja de Van Gogh, Montez de Durango, El General and many more. Sin Bandera: Sin Bandera (which can be interpreted as "Flagless" or "No Flag") is a Latin pop duo based in Mexico that consisted of Leonel García, and Noel Schajris. Sin Bandera:  They became one of the most popular artists after their solo debut album "Sin Bandera" was released on March 26, 2002.
Sin Bandera