BLACK SHEETS OF RAINPersonnel: Bob Mould (vocals, guitars, keyboards, percussion); Tony Maimone (bass); Anton Fier (drums, percussion). Recorded at Power Station, New York from March to May, 1990. Having achieved a measure of critical and commercial success with his solo debut, the pop flavored WORKBOOK, Bob Mould did what any self respecting former punk rocker would do he released a dense, angry record full of the kind of hurricane in a blender guitar work he'd