Alla Francesca

Ars subtilior is a late–14th‑century style of Franco‑Flemish and southern French/Iberian court music noted for its extreme rhythmic, notational, and contrapuntal sophistication. It refines the innovations of the Ars nova into music of dazzling subtlety: complex syncopations, multiple simultaneous meters, proportion signs, coloration (red/black notation) that alters rhythmic values, and isorhythmic devices. Composers often wrote in the French formes fixes (ballade, rondeau, virelai) and in elaborate motets, sometimes presenting pieces in fanciful shapes (hearts, circles) to mirror their poetic conceits. The sound world is courtly and intricate: interlocking lines in three or four parts, refined dissonance control, and virtuosic rhythms that challenge performers while serving refined, often allegorical texts.

Ars nova is a 14th‑century European musical style that originated in France and spread to Italy, marking a decisive break from the earlier Ars antiqua. It is distinguished by innovations in rhythmic and mensural notation that allowed composers to write complex, syncopated, and independently moving parts. Typical genres and forms include the isorhythmic motet, mass movements, and secular chansons in the formes fixes (ballade, virelai, and rondeau). Textures are primarily vocal and polyphonic (often three to four voices), with techniques such as isorhythm (talea and color), hocket, and frequent use of mensural proportions. Its French wing coalesced around the theories and works of Philippe de Vitry and Guillaume de Machaut, while the Italian Trecento (often considered an Italian Ars nova) cultivated parallel secular song forms and characteristic cadences (e.g., the Landini cadence).

Classical music is the notated art-music tradition of Europe and its global descendants, characterized by durable forms, carefully codified harmony and counterpoint, and a literate score-based practice. The term “classical” can refer broadly to the entire Western art-music lineage from the Medieval era to today, not just the Classical period (c. 1750s–1820s). It privileges long-form structures (such as symphonies, sonatas, concertos, masses, and operas), functional or modal harmony, thematic development, and timbral nuance across ensembles ranging from solo instruments to full orchestras and choirs. Across centuries, the style evolved from chant and modal polyphony to tonal harmony, and later to post-tonal idioms, while maintaining a shared emphasis on written notation, performance practice, and craft.

Medieval lyric poetry refers to the monophonic, poet-composer song traditions that flourished in medieval Europe, especially from the 12th to the 14th centuries. It centers on refined, metrically crafted texts set to memorable modal melodies and performed by court poets, minstrels, or itinerant singer-poets. The genre is best known through the Occitan troubadours and northern French trouvères, but related traditions also thrived among the German Minnesänger and the Galician‑Portuguese cantigueiros. Typical themes include courtly love (fin'amor), longing and absence, moral or political commentary (sirventes), crusade songs, and nature imagery, articulated through strict stanzaic forms, elaborate rhyme schemes, and refrains. Performance was usually solo voice accompanied by medieval instruments (vielle, harp, lute, psaltery, flutes), with a predominantly syllabic text setting, modal pitch organization (e.g., Dorian, Mixolydian), and strophic repetition that highlighted poetic craft.

Gregorian chant is the central Western tradition of plainchant: a monophonic, unaccompanied sacred song in Latin (and occasionally Greek) used in the Roman Catholic liturgy. It employs free rhythm guided by the prosody of the text rather than by strict meter, and is sung in unison by clerics or scholas. Its melodies are organized by the system of eight church modes, with characteristic finalis (final), tenor/reciting tones, and melodic formulas. Repertoires include the Proper and Ordinary of the Mass (e.g., Introit, Gradual, Alleluia, Offertory, Communion, Kyrie, Gloria, Credo, Sanctus, Agnus Dei) and the Divine Office (e.g., Antiphons, Responsories, Hymns, Psalms). Although legend credits Pope Gregory I, modern scholarship sees Gregorian chant as a Carolingian synthesis of Old Roman and Gallican chants, standardized across Frankish realms and later the broader Latin West.

Medieval music refers to the diverse sacred and secular musical practices of Europe between the fall of the Western Roman Empire and the dawn of the Renaissance. It spans more than eight centuries, from early monophonic chant to the first notated polyphony. Core features include the use of church modes rather than major/minor, extensive reliance on vocal music (Latin sacred chant as well as vernacular song), and the progressive development from unmeasured chant to rhythmic modal notation and, later, mensural notation. Texture evolves from monophony (plainchant, troubadour songs) to organum, conductus, and the motet, culminating in complex isorhythmic works by the late 13th–14th centuries. Secular traditions—troubadours and trouvères in France, Minnesänger in German lands, and the Iberian Cantigas—coexisted with and influenced sacred practice. Instruments such as the vielle, harp, psaltery, recorder, shawm, hurdy-gurdy, and portative organ often doubled or accompanied voices, though much music remained purely vocal.