The musical language which made the classical style possible is that of tonality, which was not a massive, immobile system but a living, gradually ch… - Charles Rosen

Chopin's mazurkas stand apart from the rest of the considerable production inspired by folk music which reaches into all forms of Romantic music; they cannot conveniently be classified with any of the other manifestations. They are not arrangements of popular folk tunes, ... He uses only fragments of melody, Polish formulas, typical national rhythms, and he combines them in his own way with great originality. From early on, Chopin's mazurkas are much more elaborate than the few modest pieces employing mazurka rhythms by Chopin's Polish predecessors, and they soon became the occasion for some of the most complex and pretentious of Chopin's forms.

Liszt has never needed revival; his music has always been an important part of the concert repertoire. Nevertheless, he has appeared to need rehabilitation.

The world of Debussy is a seductive oasis, and it is hard to leave it after spending many days immersed in its atmosphere. Playing Debussy-or any other composer with a strong and idiosyncratic personality-affects not only one's cast of mind but the physical disposition as well, the way the muscles work and the fingers come into contact with the ivories.