Years from now, when the work of Cassandra Wilson is discussed among jazz fans, scholars, and critics, two albums will stand out among her canon. The first, "Blue Light 'Til Dawn", her debut on Blue Note, was a breakthrough for the singer. After a tenure at Verve Records that found Wilson drifting further from the experimental jazz-funk of the seminal M-Base collective and sounding increasingly like a Betty Carter clone, producer Craig Street stressed spartan instrumentation, moody arrangements,