During his lifetime, composer, piano manufacturer, and publisher Ignaz Pleyel bestowed upon the world of music an almost unimaginable number of published compositions, some of them in multiple arrangements, too. Of those, what hasremained in the repertoire today are primarily works for small chamber ensembles. Several violin duos, for instance, have maintained their place among enthusiasts and students, among them in particular the Little Duos inIncreasing Difficulty, which appeared in print in