All-female mariachi trio, Las Colibri will collaborate with local Mexican folk dance group, Ballet Folklorico Ritmo Alegre, Friday, Sept.16, at the Oregon Shakespeare Festival’s Green Show. Las Colibri originally from Los Angeles will play their contemporary ranchera-style music, while Ballet Folklorico performs traditional Mexican dances. OSF’s Green Show starts at 6:45 p.m. in the festival’s courtyard, and admission is free.