The Library · Art & CulturePlate № 302 · Folio IX
ILL. № 302
ART
Plate — Counterpoint
·Plate № 302

Counterpoint

Multiple independent melodies, all good against each other — the formal art Bach perfected.
Suggested next → Baroque Music: Tonality, Concerto, Fugue · ART
Facets
  • Fux's five species from note-against-note to floridnot yet tested
  • Consonance rules and the ban on parallel fifthsnot yet tested
  • Imitation, canon, inversion, and augmentationnot yet tested
  • Subject, answer, and countersubject in the fuguenot yet tested
The brief

Counterpoint — from the Latin punctus contra punctum, "note against note" — is the art of making several melodies sound good at once while each keeps a life of its own. It is harder than it sounds: harmony pulls the voices toward agreement, independence pulls them apart, and the whole craft lives inside that tension. It was perfected in Renaissance choral polyphony and carried to its summit by Johann Sebastian Bach, whose The Well-Tempered Clavier and fugues remain the works every later composer measures against. When Bach died in 1750 the style was already being called old-fashioned — yet three centuries on, no one has bettered it.

The craft is taught through species counterpoint, the graded method Johann Joseph Fux laid out in Gradus ad Parnassum (1725): the student begins with note against note, one whole tone answering another, and each further stage loosens the clock a little — passing tones, then suspensions that lean on a dissonance and resolve it — until both lines move freely. The rules governing each stage are not arbitrary etiquette; they are what independence sounds like. Consonances are stable, dissonances must be prepared and resolved, and parallel fifths and octaves are forbidden because the moment two voices move in lockstep the ear stops hearing two voices and hears one. Contrary motion, by the same logic, is prized: it is the audible proof that each line is thinking for itself. The fugue is this discipline worked at full scale. A single melody — the subject — is stated alone, answered by a second voice a fifth away, then a third and a fourth enter, and the piece grows by weaving that one idea against itself, inverted, stretched, compressed, stacked on top of its own echo. What makes Bach's fugues astonishing is that the constraints, which ought to strangle expression, instead generate it: The Art of Fugue, left unfinished at his death, spins nearly an hour of music from a single unremarkable theme and never once sounds like a puzzle being solved. That a system of prohibitions could yield music of this emotional weight is the standing paradox of the form — the same paradox that let an earlier master, Palestrina, voice grief and serenity inside rules strict enough to look mechanical on the page.

Why nowCounterpoint never became a museum piece. Every composer trained in the Western tradition still passes through species exercises and fugue-writing, and film scores lean on contrapuntal technique whenever two themes must argue on screen at once. The livelier test today is computational: music-generating models handle a few bars of convincing counterpoint but still rarely sustain a whole fugue, because the logic binds across long spans — each voice has to stay melodically coherent for minutes while remaining in agreement with every other. That a discipline codified three hundred years ago remains genuinely hard for the most powerful pattern-learners we have built says something about how deep its constraints run.