I found it online via a Chilean in Mexico City a while back, though not the CD as yetIt's an exceptionally rare track released about 1971 off the top of my head with his old backing band Trio Mocoto who you might know from from watching any footage of the Brazilian football team on the television, cause they either use them or Mas Que Nada, written by Jorge Ben.
The hunt continues
(The hunt continues
Jahled Three shades of black,
Sat 8 Sep 2007, 21:10,
archived)