By Rob Brunner
Updated April 04, 1997 at 05:00 AM EST

She never raises her voice, but on her third solo album, the ex-Golden Palomino achieves an emotional depth that rivals most from-the-gut belters. Singers who mistake volume for passion (think Alanis) can learn from Carson; her hushed intensity on ”Black Thumb” is all the more powerful for its understatement. A-