Growing up, filmmaker J.M Cravioto (“Bound to Vengeance,” “Diablo”) kept hearing tales of the infamous Festival de Avándaro, also known as the Mexican Woodstock. Set over a weekend in September of 1971, the music festival on the shores of Lake Avándaro originally scheduled 12 bands to perform, but ended up with 18 acts and hundreds of thousands of concertgoers over its original attendance estimation. The result was pure chaos, with the government asking those who captured it on film to delete