Breguet has been dropping a new release about once a month to celebrate the 250th anniversary. Assuming they stop at the end of the year, I'd say we have about 5 more coming? So far they've released the Classique Soubscription, the Tradition Retrograde Se...
I was just reading issue 3 (December 2013) of Le Quai de l'Horloge where it mentioned it as an upcoming watch. If it ever releases I wonder how it will compare to the Vacheron Constantin Solaria ?
But as to your suggestion for a updated Classic Musicale 7800 that plays some different music I know it's not very Breguet and a bit out there but maybe they could be really adventurous and go for a classic Rock n Roll song like Elvis Presleys "Rock aroun...