The clashing moods of the piece are not of the sort that can be regulated and made orderly within even the expanded forms of conventional art. The grief and despair, the wrath, the pity, the unconquerable pride and hope of Chopin, shuddering like a great harp in the wind of destruction that has swept over his country, here demand and take on unfettered freedom of expression. The result is a work which reaches over Liszt to the symphonic poems of modern writers. It is probably not of historical importance; but it is of great significance as testimony to Chopin’s constructive originality. Liszt said of it that because of its ‘pathological contents,’ it must be excluded from the realm of art. If Chopin had chosen to supplement the piece with a few words as to its meaning, a program, as the phrase goes, Liszt would have had to judge differently, or else by the same token exclude other great works from the hallowed aristocracy to which he denied this one entrance. At the other extreme of Chopin’s achievements stand the twenty-four _Préludes_. Some of these, like the eighth, fifteenth, sixteenth, nineteenth, for example, are well-rounded and completed pieces, which have not more of the spirit of improvisation which one associates with the term ‘prelude’ than his longer works. But many others are hardly more than fragments, or sketches, or instantaneous impressions. In pieces of such length, form is of no importance. What is perhaps unparalleled is their vividness. They seem now like a veiled glow, fading into darkness, now like a momentary flash from that region of secret fire in the light of which Chopin ever lived. So Chopin’s power of expression showed itself new, fine, and broad. He is a master of presentation. There are but three or four of his considerable works of which one may say that they show uncertainty in judgment, an awkwardness in line, a clumsiness in balance. The vast majority of his compositions are perfect in shape and form, and flawlessly put together. If only we at this day might hear them unfold through his magic fingers! For, no doubt, what seems weak or unstable to the cautious judgment that relies upon standards of more rational genius, seems so only because the key is lost that will open to view the delicate machinery in all its perfect assemblage. III Chopin is second to no composer as a harmonist. In this respect, it now seems he stands directly in line with Bach and Mozart. The fabric of the music of all three is chromatic; but it is usually so delicately woven that its richness is accepted almost unconsciously by the listener. Like Bach, Chopin wanders where he will in the harmonic field. Like Mozart, he is ineffably graceful and subtle. The foundation of his music is a series of widely varied, yet blending chords. He is rarely startling. His modulations are swift and flashing; but they seldom if ever seem abrupt.