Watch The Chant of Tiber’s Branches for Free: How to Stream the Movie Online at 123Movies. . On a hot summer day, a group of boys of the Roman suburbs play and laugh in one of the many rivers that surround the city. The camera scrutinizes them, approaches them, reveals the gestures and glances, wraps them in a sort of visual dance, while the words of the commentary (entrusted to the poetic sensibility of Pier Paolo Pasolini) narrate the stories, desires, dreams, the future.