Compilation albums have helped define a musical scene or time period for decades, and the roots of 90s alternative rock are unmistakably tied to the underground music of the 1980s. While punk exploded into the mainstream 1994 thanks to million selling albums by Green Day and The Offspring, the seeds were planted in the small scenes across the country more than a decade earlier, many of which were never documented. Luckily, those that got laid down on vinyl or tape often have unknown gems waiting to be discovered. In the case of the 1984 compilation, It Came From Slimey Valley, which documents the Oxnard, California "nardcore" scene, the hardcore sound isn't as predictable as one might expect, with bands occasionally slowing the tempo, incorporating more dynamics, or turning up the fuzz.