HUDDIE LEDBETTER'S BEST: HIS GUITARLeadbelly's last recording sessions for a commercial record label, held in the early fall of 1944, yielded a dazzling 12 songs, embracing virtuoso guitar blues ("Grasshoppers in My Pillow"), pounding piano driven scatting ("The Eagle Rocks," with Leadbelly himself at the ivories, a talent for which he wasn't usually recognized), and familiar standards done in some startlingly different ways, including "Goodnight, Irene," "Rock Island Line," and "Ella