I recently made a post of phone pics from San Luis Potosi, one of my stops on the way to Oaxaca. Here is an image from my Olympus taken the same day and converted to B&W.
Busking In San Luis Potosi
davidscottmoyer
Photographer, Painter, Purveyor of Opinion
davidscottmoyer 
Love it!
Very nice photo. I can almost hear them singing and playing .
Thanks!