“I don't know if it happened recently or if it's been a gradual slide, but ambience and mood in music mean something different today than they once did. Think of singers like Nina Simone, Roberta Flack or Joni Mitchell; their music had a way of seducing you, of lulling you into a world that would not otherwise be accessible. And though it's no more difficult to locate soothing, evocative music toda”