SONIC NURSE (2LP)Since 1990's GOO, Sonic Youth has increasingly refined its edgy avant garde noise excursions with a unique approach to traditional rock song structure. 2004's SONIC NURSE continues the trend. The guitars still squall (as one would expect from a band specializing in distortion since the early 1980s), but that squall seems carefully orchestrated now. The effect is due, in large part, to the presence of professional soundscaper, producer, and musician