A Lebanese band's concert in Jordan offered  this Arab Jew from Haifa a new take on her identity and one of the of the key premises of the Arab-Jewish conflict. By Lihi Yona Last Tuesday, I returned from Amman. I went to see a concert given by the Lebanese band Mashrou3 Leila in the only Middle Eastern Arab country still open for Israeli Jews to freely visit. The best way to get from Israel to Amman is by bus from Nazareth. The passengers were mostly elderly Arabs going to travel in Jordan and the rest were a bunch of fellow…