Sencillos
sencillo, lla.
10. m. Disco fonográfico de corta duración con una o dos grabaciones en cada cara.U. t. c. adj.
In popular music marketing, a single is a record release with only one or two songs. The first song (usually the one given the most promotion, and heard more often in the media) is called an A-side, while any other song on the single is called a B-side.