Cover art
Barnard, Robert. Too Many Notes, Mr. Mozart. Little, Brown 1998.

Barnard, Robert. Mozart Mysteries
Divergence: 1764 CE
What if: During a visit to England to show off his prodigy son to the English court, Leopold Mozart decided to remain in England as a result of being accidentally overpaid by a royal courtier.
Series note: Whodunits Dead, Mr. Mozart and Too Many Notes, Mr. Mozart.
Comments: The cover of some editions credit "Robert Barnard writing as Bernard Bastable".

Barnard, Robert. Dead, Mr. Mozart
Divergence: 1764 CE
Summary: In 1820, Mozart is working on a coronation piece for King George IV when he discovers his theater is involved in a plot to discredit the queen. When the plot leads to murder, Mozart begins to investigate.
Series note: First of the Mozart Mysteries.
Published: Little, Brown 1995 (0316911682); St. Martins 1995 (031211771Xw88 android); Warner 1995 (0751510920BUY).
Original in: English.
Translation: French by Isabelle Maillet as Un requiem pour Mozart, Librairie des Champs-Elysées 1997 (2702495486).

Barnard, Robert. Too Many Notes, Mr. Mozart
Divergence: 1764 CE
Summary: The aged Mozart is hired to teach music to the young Princess Victoria and must solve the mystery of who wants her dead.
Series note: Second of the Mozart Mysteries.
Published: Little, Brown 1995 (0316878081BUY), 1998 (0751518069BUY); Carroll & Graf 1996 (0786703156BUY); Warner 1997.
Original in: English.
Translation: French by Isabelle Maillet as Trop de notes, Mr Mozart, Librairie des Champs-Elysées 1997 (2702495478).