I went through one of those moments the other day where I just wanted to listen to Las Grecas over and over again. "Te Estoy Amando Locamente" is a grade A jam and features super wild guitar and one of my favorite banging piano chords in all of pop music at the end of the intro (0:14-0:20):
Though really their stuff is best experienced in lurid 70s TV color, with every video effect available to human beings in Spain at the time:
If you listen to any of their songs too many times in a row, it will rearrange your brain, particularly if there are lurid psychedelic visuals involved. But their songs are fine minus visuals too, particularly the first couple albums or so. They're on the streamz in various compilations (OrĂgenes has pretty much everything you'd need). Go for it.