The Warning comprises the Villarreal sisters, Daniela, Paulina and Alejandra. An alt-rock trio from Mexico, the band found its break with its cover of the Metallica single "Enter Sandman." The trio's first EP titled Escape the Mind released in 2015. The Warning has albums like XXI Century Blood and Queen of the Murder Scene to its credit. "Free Falling" and "Narcisista" are two of its acclaimed singles.