Oscar Emilio León Simoza, better known as Oscar D'León (b. July 111943) is a Venezuelan musician who became internationally famous for his salsa music. In Spanish, he is known as El Sonero del Mundo ("the Improviser of the World"). His most famous song is perhaps "Llorarás," which he recorded in 1975 with his group La Dimensión Latina.

Oscar Emilio León Simoza, better known as Oscar D’León (b. July 11, 1943) is a Venezuelan musician who became internationally famous for his salsa music. In Spanish, he is known as El Sonero del Mundo (“the Improviser of the World”). His most famous song is perhaps “Llorarás,” which he recorded in 1975 with his group La Dimensión Latina. D’León was born in Caracas on July 11, 1943. A long-time resident of the Parroquia Antímano section of the city, he took interest in bass guit