Symphony

Lore & Background

The word symphony derives from the Greek συμφωνία (symphōnía), meaning 'agreement or concord of sound.' In late Greek and medieval theory, it referred to consonance, as opposed to dissonance. During the Middle Ages, the Latin form symphonia described various instruments, including a two-headed drum (first noted by Isidore of Seville) and, in French, the organistrum or hurdy-gurdy. By the 16th century, it was equated with the dulcimer, and in German, Symphonie was a generic term for spinets and virginals.

Reader's Guide

In the 17th century, the terms symphony and sinfonia were used for a range of compositions, including instrumental pieces in operas, sonatas, and concertos. The opera sinfonia, or Italian overture, developed a standard structure of three contrasting movements (fast, slow, fast) and is considered the direct forerunner of the orchestral symphony. During the 18th century, the symphony was cultivated with extraordinary intensity, playing roles in church services and aristocratic courts. The four-movement form emerged, typically including a fast opening movement, a slow movement, a minuet or scherzo, and a fast finale. Important early centers included Milan, Vienna, and Mannheim, with key composers such as Giovanni Battista Sammartini, Johann Stamitz, Joseph Haydn, and Wolfgang Amadeus Mozart. At the beginning of the 19th century, Beethoven elevated the symphony to a supreme form in which composers strove to reach the highest potential of music in just a few works.

Did You Know?

• The word symphony derives from the Greek συμφωνία (symphōnía), meaning 'agreement or concord of sound.'
• In the Middle Ages, the Latin form symphonia was used to describe a two-headed drum, as noted by Isidore of Seville.
• The opera sinfonia, or Italian overture, had a standard structure of three contrasting movements: fast, slow, and fast.
• Some symphonies, such as Beethoven's Ninth Symphony and Mahler's Second Symphony, contain vocal parts.

Defining Musical Characteristics

The Classical period, spanning roughly 1750 to 1820, sits between the Baroque and Romantic eras. Its sound is defined by homophony—a clear melodic line floating above a subordinate chordal accompaniment—though counterpoint never fully disappeared, persisting in liturgical vocal writing and later in secular instrumental works. Where Baroque music prized dignified grandeur, the new style galant favored lightness and elegance. Variety and contrast within a single piece grew more pronounced, and orchestras expanded in size, range, and power. The era drew inspiration from Neoclassicism in architecture and literature, seeking the clarity and order of Classical Greek ideals. Newtonian physics reinforced a taste for well-articulated, axiom-based structures, pushing music away from layered polyphony toward a style where chords became more prevalent and tonal structure more audible. Simplicity replaced complexity, and brighter contrasts, dynamic changes, and modulations to more keys gave the music a cleaner timbre.

The Piano Revolution and Instrumental Forms

One of the era's most consequential shifts was the harpsichord's decline as the dominant keyboard instrument, replaced by the piano or fortepiano. The harpsichord plucked strings with quills, meaning the force of a key press had no effect on volume or timbre. The piano, by contrast, strikes strings with leather-covered hammers, allowing the performer to play louder or softer—hence the name fortepiano, literally loud soft. This mechanical difference unlocked a new level of expressiveness. Instrumental music became central to the period's output, with the sonata, trio, string quartet, quintet, symphony, and solo concerto forming the main genres. The solo concerto, in particular, showcased a virtuoso performer on violin, piano, flute, or another instrument against an orchestral backdrop. Vocal music also flourished, encompassing art songs for singer and piano, choral works, and staged opera for singers and orchestra.

The Viennese Classicism Circle

The era is often called the period of Viennese Classicism, a label rooted in the remarkable concentration of composers who worked in Vienna. The roster reads like a who's-who of Western music: Christoph Willibald Gluck, Georg Christoph Wagenseil, Georg Matthias Monn, Joseph Haydn, Johann Georg Albrechtsberger, Carl Ditters von Dittersdorf, Johann Baptist Wanhal, Antonio Salieri, Wolfgang Amadeus Mozart, Ludwig van Beethoven, and Franz Schubert. This geographic clustering created a shared aesthetic vocabulary while each composer brought distinct contributions. The period's instrumental forms—the symphony performed by orchestra, the string quartet, the concerto—grew in sophistication partly because of the competitive and collaborative environment such a concentration fostered. The era also saw a shift in who commissioned and attended music: the nobility became primary patrons of instrumental works, while public taste gravitated toward lighter, comic operas. This dual audience shaped the repertoire, pushing composers to balance aristocratic refinement with popular appeal.

Structural and Social Transformation

The Classical period's musical changes were inseparable from broader economic and social shifts. As the century progressed, the nobility assumed the role of primary patrons for instrumental music, while public audiences increasingly favored lighter, comic operas. This altered performance practices: standard instrumental groups replaced the flexible Baroque continuo ensemble, and the term obbligato—a mandatory added part in chamber music—became redundant as all parts were specifically indicated. By 1800, basso continuo was practically extinct outside the occasional pipe organ part in a religious Mass. Smaller, fixed-size court ensembles also spurred composers to write simpler ensemble parts alongside spectacular idiomatic passages for virtuoso soloists, as seen with the Mannheim orchestra. Audiences demanded a continual supply of new music, and works had to be performable with one or two rehearsals at most. Greater emphasis on a single melodic line also meant composers increasingly notated dynamics, phrasing, and ornaments like trills and turns, rather than leaving those details to performer improvisation as in the Baroque.