k.d. lang and the Siss Boom Bang delighted the capacity crowd at the Mondavi Center Thursday night with a wide-ranging show. Her legendary voice delivered everything from a sultry growl to a soaring soprano heartache. Throughout the 90-minute set and two encores, lang’s remarkable voice delivered each note with an impeccable sense of timing and emotional nuance. She never flinched from delivering a song with powerful bravado, as in her 1992 Grammy-winning “Constant Craving,” nor did she shy away from the almost unbearable tenderness and vulnerability of “The Perfect Word.” The concert was almost evenly divided between songs from lang’s latest CD, “Sing It Loud,” and some of her older tu