Wow, what an amazing version of this beautiful bossa classic. As far as i can tell, this is a totally unreleased version by Los Machumbos and exists only as this 10" i bought this rare piece from one of the members of the band who assured me it was never issued. The track lasts over 3 mins and as you will hear from the audio below, its beautifully recorded and cut. The sound quality is amazing for an acetate. The other side has your usual Machucambos track.