I have never heard of the Chilean band Aguaturbia before, until I listened to one of their songs on an online radio station.
After reading about them a bit, it turns out that, other than being from Chile, which is rad, they were pretty big in the psychedelic scene of the 60's and 70's in Chile, and they did gain some international recognition because of it.
Their music sounds a lot like that era of music, especially with the guitars of Carlos Corales. The vocalist, Denise, Carlo's wife, sings in English and Spanish which gives it a nice touch.
Here's a bluesy number for you called "Blues on the Westwide" from 1970: