It would be completely impossible to get an accurate and complete idea of what was the punk-hardcore of Barcelona in the 80s without considering Subterranean Kids. Beyond what their music contributed, the frenetic activity that they developed exchanging cassette tapes, fanzines and information made them a bridge of enriching connection with other scenes, both from the national and international panorama. Subterranean Hardcore was the beginning of a trajectory that led, in addition to compilations, direct and simple, to three LPs that would surely enter without hesitation in a hypothetical list of essential records of hardcore state. In the tape there was practically everything, from the subjects in which the pure and hard speed prevailed, so in vogue at the time, as the first glimpses of the hardcore of going back, sinuous, in which the song seemed to go advancing in fits and starts. , with continuous braking and acceleration. In the purest style of self-management, the demo was edited with Patizambo Records, the label set up by Bolo and Pep, the guitarist, and with whom they also came out shortly after Los Ojos de la V?ctima (1986), their LP debut. It was accompanied on the inside with a sheet with letters, photos and diverse information about Subterranean Kids. Its distribution was also part of the band that managed to sell a couple of thousand copies from hand to hand, by mail or through exchanges with other groups and stamps. Subterranean Hardcore is, quite simply, a piece of history.