by William Ruhlmann  This isn't only not the place to start listening to Joan Baez, it's the album that separates the true fans from the, um, fellow travelers. Side two is taken up by the title song, a musical account of Baez's trip to Hanoi over Christmas of 1972, complete with the sound of U.S. bombs falling on the city. Side one, on the other hand, contains one of Baez's best original songs, "A Young Gypsy," and two by her sister, "Mary Call" and "Best of Friends."