"She is of course well past the stage of having to prove herself artistically. She is in possession of one of the most extraordinary song catalogs of the past half-century. Her chords break harmonic rules, have no technical names and defy Western musical theory. Her voice is an instrument that has grown sublimely heavier and huskier over the decades. . . .Once you get past the security gates, Ms. Mitchell's house feels like a pocket of middle-class comfort in the midst of zillionaire Beverly Hills. In some ways life is still as it was in 1974, when she bought the house: She has no computer, no voice mail, no cellphone and no e-mail. At one point, when we tried to remember one of her lyrics, we scrolled through my iPod. She said it was the first time she had listened to one."