Sometimes death is only the beginning. As a quartet, they lived in relative harmony, despite their differences in temperament and outlook. Rachel's dreamy goodness clashed with Audrey's waspish cynicism, but Beth's common sense and Lydia's soothing beauty always seemed to balance everything in the end. Then Salvador came. Salvador de La Simarde, child prodigy grown up bad, without doubt the finest classical guitarist of his generation. With his dark...