Vinyl reissue of the repertoire of Ultrasónicas, an emblematic band of the Mexican underground scene at the end of the 90s. Their sound is based on rock and roll, garage, surf and punk, along with the influence of the riot grrrl movement, becoming a benchmark for both underground rock and musical projects made up of women, encouraging many others. in Mexico to follow his example. This album presents for the first time on vinyl a selection of their recordings previously released only on CD together with practically all of those that appeared on the 10” disc, forming a complete representation of the Ultrasónicas repertoire.