Tisha b'Av, 1492, was the final day for compliance with the edict of the Spanish expulsion. Although it was a day of national mourning, the rabbis of that generation declared, "Take up your instruments." Thus the Jewish community marched out of their host country with the musicians at the lead. Not only did the Rabbis want to infuse the refugees with hope, they also wanted to remind them that there is only one place in the world worthy of tears being shed when we must leave there. That place is Jerusalem. The inner command to "take up our instruments"-- to...