<P>Fourth in a series of popular, intellectually challenging mysteries from acclaimed Israeli author Batya Gur, <I>Murder Duet </I> features once again the smart, charming, and lonely police officer Michael Ohayon. After his cellist friend's father and brother--who are also well-known musicians--are brutally murdered, Ohayon, a classical music afficionado, sets out to solve the crime. From the opening pages, where the detective plays a compact disc of Brahm's First Symphony, to the newly discovered music for an unknown Vivaldi requiem that provides a rock-solid motive for the crime, lovers of crime novels, as well as music, will thrill to every dulcet note.</P>