 The duo then sang "Holy Grail" and "Partition", the latter with a pole choreography by Beyoncé and her female dancers.The third segment started with a video intermission with excerpts from "Part II (On the Run)" showing Beyoncé covered in blood in a lineup and glass shattering.Jay-z performed "99 Problems solo, followed by Beyoncé singing a medley "If I Were a Boy" and "Ex-Factor" afterwards.