Ildefonso Aguilar, 1985
The official history of ambient may already be written but the addenda are rapidly expanding. Continued hipster obsessions like vaporware created a cottage industry for excavating forgotten new age relics. Most of it is mere detritus only interesting in ironic context, but Ildefonso Aguilar's Erosión proves a revelation. It would easily fit into the mid-90s isolationist ambient scene, but was a decade too early. It's dark and cavernous atmosphere is too blurry to be on-the-nose moody, which dooms so many of it's peers. Instead Erosión is more abstractly cinematic, casting everyday moments as ominous.