El Chico del Apartamento 512

"El Chico del Apartamento 512" is a song recorded by American singer Selena for her fourth studio album, Amor Prohibido (1994). It was released along with "Fotos y Recuerdos" in January 1995, serving as its B-side track. Written by Ricky Vela, "El Chico del Apartamento 512" is a cumbia song with influences of Colombian and South American music. Lyrically, the song describes a female protagonist who knocks on her love interest's apartment door (number 512) and is heartbroken when his sister (who she initially mistakes for his girlfriend) answers it. Justino Aguilar of Billboard magazine, called "El Chico del Apartamento 512" as one of Selena's "most memorable songs". The track posthumously peaked at number one on the U.S. Billboard Regional Mexican Digital Songs chart in 2011.