Patrulla 81 is a musical group originally from the Mexican state of Durango. Group member José Ángel Medina formed the group in 1981. In 2004, the group released Cómo Pude Enamorarme de Ti, a hit in both the United States and Mexico. In December 2007, the band released a new album, A Mi Ley, featuring the single "Te Quiero Mucho." Patrulla 81's Quiéreme Más reached No. 1 on the Billboard Top Latin Albums chart in March 2009. In late 2009, the band released Sin Ti No Vive, which debuted on Billboard's Regional Mexican chart at No. 1.