"Matt Rees cleverly weaves music, crime, and conspiracy into a sumptuous historical whodunit, set against the decadent backdrop of 18th-century Vienna." -- Marie Claire

"Rees nails the details of Mozart's Vienna with precision, seasoning his story with musical details that will delight fans of classical music. . . . A beautiful book lluminated by the author's own musical background that moves slowly and deliberately to a fine conclusion." -- Kirkus Reviews (starred review)

"Engaging, well-paced. . . . Combining Dan Brown or Elizabeth Kostova-style historical conspiracy theory with cozy detective novel, Rees's latest offers a genuinely felt reverence for the power of Mozart's music and its lasting impact in the world." -- Publishers Weekly

"An excellent choice for mystery fans and historical fiction readers." -- Booklist

"Mozart, music, and murder seamlessly blend together in this fascinating historical mystery. A perfect read to go with a crackling fire and a pot of hot chocolate." -- Tess Gerritsen, New York Times bestselling author of The Silent Girl

"A stunning combination of mystery and meticulously researched historical fiction. . . . A sweeping, gorgeously written book." -- Tasha Alexander, author of Dangerous to Know

"Mozart fans and codecrackers will enjoy the clever musical riddle. A very readable historical mystery romp." -- The Times (London)

"This absorbing Viennese soap opera is a solid choice for readers who like fiction about historical figures caught up in suspenseful intrigues such as Matthew Pearl's The Dante Club or Gyles Brandreth's Oscar Wilde mysteries." -- Library Journal