Claudio Abbado

Impressionism in music is a late-19th- and early-20th-century style that prioritizes color, atmosphere, and suggestion over overt drama and functional harmonic progressions. Originating in France, it parallels the visual arts movement in its fascination with light, timbre, and fleeting impressions. Musically, the style favors modal, pentatonic, and whole‑tone materials; parallel (planed) chords; unresolved dissonances; and ambiguous tonal centers. Rhythms are flexible and often blur a sense of strong meter, while textures shimmer through delicate orchestration, pedal tones, and arpeggiated figures. Rather than strict sonata designs, impressionist works tend to be episodic, evocative, and programmatic, conjuring landscapes, water, night, and dreamlike states.

The Moscow School is a classical performance tradition centered on the Moscow Conservatory and its satellite institutions, renowned especially for its pianism. It is characterized by a singing tone, long-breathed phrasing, structural clarity, and rigorous technique coupled with emotional depth. Although best known for piano, the approach extends to chamber music and orchestral playing: careful voicing, architectural control of large forms, expressive but disciplined rubato, and a rich dynamic palette. Its practitioners balance fidelity to the score with a cultivated cantabile line and a deep, often elegiac lyricism associated with the Russian late-Romantic aesthetic.

The Saint Petersburg school refers to interrelated circles of 19th-century Russian Western Classical composers centered in Saint Petersburg. Its core aim was to develop a distinctly Russian national style within Western art-music forms, blending European conservatory craft (symphony, opera, chamber music) with Russian-language declamation, folk-like melodic turns, Orthodox-tinged sonorities, and programmatic subjects drawn from Russian history and literature. In practice, the term often overlaps with the so‑called “Mighty Handful” (Balakirev’s circle) and their broader St. Petersburg milieu, where national-romantic aesthetics were pursued alongside vigorous debate with more academically oriented musicians.

A character piece (German: Charakterstück) is a short, single-movement work—most often for solo piano—designed to evoke a specific mood, scene, or persona. Typically lasting one to five minutes, it prioritizes vivid expression and atmosphere over large-scale form. Titles are often descriptive (e.g., Nocturne, Impromptu, Romance, Intermezzo, Barcarolle), guiding the listener’s imagination. Musically, character pieces favor singable melodies, rich but economical harmony, clear textures, and flexible tempo (rubato). Common plans include ternary (ABA) or through-composed designs, with coloristic pedaling and nuanced dynamic shaping to paint the intended character. While the piano repertory dominates, the aesthetic extends to other instruments and small ensembles, and it remains central in pedagogy and concert encores.

Grand opera is a monumental 19th‑century French operatic form defined by large forces, spectacular staging, and serious historical or religious subjects. Typically laid out in five acts, it features extensive choruses, virtuosic arias and ensembles, full ballet sequences (the obligatory "divertissement"), and elaborate scenic effects that turn political and moral conflicts into public spectacle. Musically, grand opera expands the Romantic orchestra, favors accompanied recitative over secco dialogue, and uses coloristic orchestration, on‑ and off‑stage bands, and crowd scenes to heighten dramaturgy. It emerged at the Paris Opéra (Académie Royale/Impériale) in the late 1820s–1830s through works by Auber, Meyerbeer, and Halévy, and quickly became an international template for large‑scale operatic production.

Romantische Oper (Romantic Opera) is an early nineteenth‑century German operatic genre that blends folkloric subject matter, medieval or fantastic settings, and a heightened orchestral role with the number‑opera practices inherited from the late Classical era. Rather than growing directly out of the eighteenth‑century Singspiel, it was decisively shaped by the French opéra comique of the Revolutionary and Napoleonic eras. Characteristic are reminiscence motifs—recognizable musical phrases tied to characters, ideas, or places—that recur across a work to bind drama and music, prefiguring later leitmotivic techniques. Orchestration becomes vivid and dramaturgical (hunting horns, nature painting, offstage ensembles), while choruses and folk‑like tunes reinforce themes of the supernatural, heroism, nationhood, and the poetic power of nature. Typical libretti draw on German folk tales, legends, and medieval romance; musically, the style favors singable, diatonic melodies colored by chromatic harmony and striking timbral effects to depict magic and terror alongside lyric intimacy.

A nocturne is a short, lyrical character piece that evokes the atmosphere of night, most commonly written for solo piano. It features a cantabile, song-like melody that floats over a gentle, arpeggiated or broken-chord accompaniment, inviting rubato and nuanced pedaling. Originating with the Irish composer John Field and canonized by Frédéric Chopin, nocturnes typically explore intimate emotions—tenderness, melancholy, and reverie—through expressive harmony, chromatic inflections, and spacious pacing. While the piano nocturne is the norm, later composers also wrote orchestral and vocal "nocturnes" that broaden the palette while retaining the essential nocturnal mood.

Romantic classical (Romantic-era) music is the 19th‑century phase of Western art music in which expression, individuality, and imagination came to the fore. Composers expanded the orchestra, embraced chromatic harmony and bold modulations, and favored long‑breathed, emotive melodies. Aligned with the wider Romantic movement in literature and the arts, it prized the subjective—love, nature, the supernatural, nationalism, and the sublime—often through programmatic narratives. New and transformed genres (the symphonic poem, grand opera, the art song/Lied, concert overtures) coexisted with reimagined Classical forms (symphony, sonata, concerto) that grew in scale and harmonic daring. From ca. 1800 through the early 20th century, Romantic music stretched from Beethoven’s heroic style and Schubert’s lyricism to Wagner’s leitmotivic dramas and Tchaikovsky’s symphonic ballet-infused language, culminating in late-Romantic gigantism and post-Romantic continuations.

The Classical period in Western art music (c. 1750–1820) is defined by clarity of form, balance of phrase, and transparent textures. Composers favored singable melodies, symmetrical four- and eight-bar phrases, and functional harmony that modulates to closely related keys. Hallmark forms such as the symphony, string quartet, sonata, and classical concerto were standardized, often using sonata form, theme-and-variations, minuet and trio, and rondo designs. Orchestras expanded beyond strings to include standardized pairs of woodwinds and horns, with trumpets and timpani for ceremonial weight, while the fortepiano gradually replaced the harpsichord. The style pivoted away from the dense counterpoint of the late Baroque toward a more galant, conversational musical rhetoric. It culminated in the Viennese masters—Haydn, Mozart, and the early Beethoven—whose works crystallized the era’s ideals and prepared the way for Romanticism.

Opera buffa is an Italian comic opera tradition that crystallized in the early 18th century as a lively, vernacular counterpart to opera seria. It features everyday characters, social satire, rapid-fire patter singing (especially for the basso buffo), and bustling ensemble finales that drive the drama forward. Musically it favors clear, galant-era melody, diatonic harmony, recitativo secco with continuo in earlier works, and increasingly sophisticated multi-voice ensembles. Plotlines draw on commedia dell’arte archetypes and revolve around mistaken identities, class tensions, and witty intrigues, presented in the Italian language with crisp, syllabic text setting.

Opéra comique is a French operatic genre defined by the presence of spoken dialogue between musical numbers rather than by comic subject matter. Early works used popular tunes (vaudevilles) with newly written words, later evolving into fully original scores with arias, ensembles, finales, and orchestral writing. Originating in Paris fairground theatres, the genre developed at the Opéra-Comique institution into a flexible form that could encompass light, humorous plots as well as serious and even tragic stories. By the 19th century it ranged from graceful, classical elegance to full Romantic drama—so much so that a tragedy like Bizet’s Carmen is still called an opéra comique because it originally included spoken dialogue. Typical features include an overture, clear French prosody, memorable lyrical numbers (romances, couplets), conversational pacing, and finales that integrate multiple characters on stage. Harmony and orchestration track the broader shift from late Baroque/Classical clarity to Romantic color and intensity.

A concerto is a large-scale composition that sets one or more solo instruments in dynamic dialogue with an orchestra. Its core idea is contrast—between soloist and tutti—and the dramatic negotiation of power, color, and thematic responsibility. While Baroque concertos often relied on ritornello form, the Classical era standardized a three-movement plan (fast–slow–fast) with sonata principles in the opening movement. The Romantic period emphasized virtuosity and expressive foregrounding of the soloist, and the 20th–21st centuries broadened the palette with new instruments, harmonies, and formats. Across eras, the concerto remains a showcase for instrumental character, technical brilliance, and the art of orchestral conversation.

An overture is an orchestral piece that traditionally serves as the opening to an opera, ballet, or stage work, and later evolved into an independent concert genre. Two foundational models emerged in the Baroque era: the French overture (slow, majestic dotted-rhythm opening followed by a faster, often fugal section) associated with Jean-Baptiste Lully, and the Italian overture (sinfonia) with a fast–slow–fast three-part design that presaged the Classical symphony. During the 19th century, the overture expanded into programmatic concert works, sometimes called "concert overtures," that used sonata-allegro or hybrid forms to depict narratives, scenes, or dramatic ideas. Overtures are characterized by bold thematic statements, clear formal signposts, and striking orchestration for full ensemble—strings, woodwinds, brass, and timpani—often designed to set the dramatic tone, preview motifs, or energize an audience before the curtain rises.

Opera is a large-scale theatrical genre that combines music, drama, and visual spectacle, in which the story is primarily conveyed through singing accompanied by an orchestra. It unites solo voices, ensembles, and chorus with staging, costumes, and often dance to create a total artwork. Emerging in late Renaissance Italy and flourishing in the Baroque era, opera developed signature forms such as recitative (speech-like singing that advances the plot) and aria (lyrical numbers that explore character and emotion). Over the centuries it evolved diverse national styles—Italian bel canto, French grand opéra, German music drama—while continually experimenting with orchestration, harmony, narrative structure, and stagecraft.

A requiem is a musical setting of the Roman Catholic Mass for the Dead (Missa pro defunctis). Historically rooted in Latin liturgy, it sets movements such as the Introit, Kyrie, (historically) the Sequence Dies irae, Offertory, Sanctus, Agnus Dei, and Communion, and often includes additional responsories like Libera me and In paradisum. While the earliest requiems were monophonic chants, the genre became a showcase for polyphonic and later symphonic choral writing. Renaissance composers wrote austere, modal settings; Classical and Romantic composers expanded the forces and dramatic scope; and 20th–21st century composers reimagined the form with new languages, from neo-modal and impressionistic harmonies to avant‑garde sonorities. Today, requiems appear both in liturgy and as concert works, symbolizing collective mourning, remembrance, and spiritual reflection.

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.

“European music” is a broad umbrella covering the historical and regional practices that developed across the European continent, from medieval sacred chant and courtly song to folk traditions, art (classical) music, and later popular and electronic styles. Common threads include the codification of staff notation, the development of modal and later tonal harmony, the use of structured forms (e.g., mass, motet, madrigal; sonata, symphony, opera; verse–chorus song), and a rich palette of instruments culminating in the modern orchestra and various regional folk ensembles. While extremely diverse from region to region, European music is marked by a continuous dialogue between sacred and secular practices, learned written traditions and oral folk idioms, and later between art music and mass-market popular genres.