https://www.youtube.com/watch?v=vyBHKnGDouw Director Rita Baghdadi’s Sundance documentary, Sirens, follows the thrash metal band Slave to Sirens on their tumultuous journey to make music against the backdrop of a sociopolitically unstable Lebanon. The narrative focuses on lead guitarists Lilas Mayassi and Shery Bechara, two out of the five women behind what is, perhaps, the only all-female…