THE rich musical legacy of the mellifluous-voiced Joe Williams will live on as a contribution to music history. Until the illness that hospitalized him before his recent death, Williams had continued to entertain and inspire audiences with his bluesy baritone, perfect diction, impeccable timing, regal stage presence and congenial personality. He was and is a legend, as are Duke Ellington, Count Basie, Sarah Vaughan, Ella Fitzgerald and Dinah Washington, all of whom he worked with ...