OSAT Music (CEOE) key terms

A large-scale structure built on exposition, development, and recapitulation, usually with an introduction and coda. Themes are stated in contrasting keys, worked over, then restated in the tonic.

A harmonic formula that closes a phrase. Authentic cadences move dominant to tonic; plagal moves subdominant to tonic; half cadences pause on the dominant; deceptive cadences resolve dominant to a substitute chord.

A change of tonal center within a piece, achieved through pivot chords, chromatic alteration, or a common-chord or direct shift. It creates contrast and often marks formal boundaries.

A dominant-function chord borrowed from another key and applied to a diatonic chord, written V/x. It briefly tonicizes a scale degree without fully modulating.

A labeling system that shows chord roots as scale degrees in uppercase for major triads and lowercase for minor, with symbols for inversions, sevenths, and alterations.

A shorthand of numbers under a bass line indicating intervals above the bass, which specify chord inversion and added tones. It underlies Baroque continuo practice and modern harmony exercises.

The art of combining independent melodic lines that sound well together. Species exercises progress from note-against-note writing to florid lines, governed by rules about consonance, dissonance, and motion.

A contrapuntal composition in which a subject is announced alone, answered in another voice at the dominant, and developed through episodes, stretto, and entries in related keys.

A short rhythmic or melodic idea that recurs and is transformed to unify a composition. Motives may be inverted, retrograded, augmented, or sequenced.

Altering a theme's character, rhythm, harmony, or orchestration so it suits new dramatic or formal contexts while remaining recognizable. Common in Romantic program music and Liszt's symphonic poems.

A three-part design, A-B-A, in which a contrasting middle section is followed by a return of the opening material, often varied. It appears in da capo arias and minuet-and-trio movements.

A structure in which a principal theme alternates with contrasting episodes, as in ABACA or ABACABA. It creates a refrain-like sense of return, common in classical finales.

The rules and conventions governing how individual parts move between chords, favoring smooth motion, resolved tendency tones, and avoidance of parallel fifths and octaves.

A five-note scale, commonly built from major scale degrees 1, 2, 3, 5, and 6, or the minor equivalent. It underlies much folk music and is easy to sing and teach.

A diatonic scale type other than major or harmonic minor, such as Dorian, Phrygian, Lydian, or Mixolydian. Each mode has a distinct interval pattern and characteristic color.

A Baroque accompaniment of a bass line played by a chordal instrument and a bass instrument, with chords realized from figures. It supports soloists and ensembles.

A texture of a single expressive vocal line supported by chordal accompaniment, developed around 1600. It helped shift music from Renaissance polyphony toward Baroque opera and cantata.

A staged dramatic work in which singers perform with orchestra. Its history runs from Florentine camerata experiments through Baroque seria, Classical reform, and Romantic and verismo styles.

The text of an opera, oratorio, or musical, written by a librettist and set by the composer. It supplies plot, characters, and the words sung.

A large unstaged sacred or dramatic work for soloists, chorus, and orchestra, often narrated. Handel's Messiah is a standard example; it shares genres and forms with opera.

A vocal work for soloists, chorus, and instruments in several movements, often on a sacred text. Baroque Lutheran cantatas were central to church services.

Instrumental music that depicts a story, scene, or idea, often named by a title or program. Symphonic poems and program symphonies are typical Romantic forms.

Instrumental music valued for its formal and expressive qualities rather than a narrative or pictorial program. The concept shaped nineteenth-century debates about musical meaning.

A vocal technique between speech and song in which the performer approximates pitches and notates rhythm precisely. Schoenberg used it in Pierrot lunaire and other works.

A speech-like vocal style that advances plot or dialogue, sung to sparse accompaniment. Secco recitative uses continuo; accompagnato uses orchestra for heightened drama.

An early twentieth-century movement emphasizing intense subjective emotion, often through dissonance, angular melody, and free atonality. It is associated with Schoenberg and the Second Viennese School.

A compositional method organizing pitches, rhythms, or other elements in a fixed order. Twelve-tone serialism orders all twelve pitch classes to avoid a tonal center.

The absence of a tonal center or key hierarchy. Free atonality avoids triadic function, while twelve-tone composition systematically organizes pitch classes.

A flexible tempo in which the performer stretches and compresses time expressively, often lengthening some notes while shortening others so the overall pulse stays intact.

A register transition zone in the singing voice where resonance and registration adjust, notably around the break between chest and head voice. Smooth negotiation of it is a core pedagogical goal.

The coordination of laryngeal and resonance adjustments that produces chest, mixed, and head voice qualities. Balanced registration lets a singer move across the range without audible breaks.

Management of the airstream through coordinated abdominal, intercostal, and diaphragmatic action, providing steady pressure without throat tension. It underpins tone, intonation, and phrasing.

The part of a vocal range where a piece or role lies most of the time. It matters more than the highest or lowest note when judging whether music suits a singer.

Clear and intelligible pronunciation of text in singing, including vowels, consonants, and word stress. Good diction balances intelligibility with legato and resonance.

Shaping a musical line through dynamics, articulation, breath placement, and timing so it reads as a coherent thought. Phrasing communicates text meaning and musical architecture.

An approach to general music built on speech, movement, singing, and barred percussion, with children improvising and creating in elemental styles. It moves from imitation to exploration and literacy.

Creating music in the moment within stylistic limits. In classrooms it ranges from free sound exploration to structured patterns over a given scale or rhythm.

Ongoing checks of learning used to adjust instruction, such as questioning, observation, and performance tasks. It is distinct from summative grading at the end of a unit.

Evaluation at the end of a learning period that measures achievement against standards, such as a concert performance, portfolio, or written exam. Results may inform grades and program review.

A scoring guide listing criteria and levels of quality, used to judge performances or projects consistently. It clarifies expectations and supports feedback.