The book you are holding in your hands now describes the most mysterious work for viola of the most mysterious composer of the 20th century. Viola performers often include "Lachrymae" in their concert repertoire, but not everyone understands the true purpose of this piece. Even the first performer of "Lachrymae" - the famous Scottish viola player William Primrose wrote that he never understood this piece, and that he was forced to perform "Lachrymae"...