"paraguay"? help identify a killer!!

[job]

killer track that is. any ideas?

http://www.iol.ie/~mountain/job/misc/id.mp3

thanks

[Nano]

Never heard it before, but it says in Spanish "Matto Grosso, frontier with Paraguay", which indeed is.
Matto Grosso is a province of Brazil, and it's notorious for its jungle. However this song must not be Brazilian, because it's sang in Spanish.

[job]

thanks Nano.

any other ideas? i expect answers manana :icon_neutral: