Opera Glossary

ACCELERANDO
An acceleration or speeding up of the tempo of a particular aria, chorus or ensemble.

ACT
A portion of an opera designated by the composer, which has a dramatic structure of its own.

ARIA
A solo piece written for a main character which focuses on the character's emotion.

ASIDE
A secret comment from an actor directly to the audience that the other characters cannot hear.

BARITONE

The male singing voice that is higher than bass but lower than tenor.

BASS

The lowest male singing voice.

BEL CANTO

Italian phrase literally meaning 'beautiful singing.' A traditional Italian style of singing emphasizing tone, phrasing, coloratura passages, and technique; also the operas written in this style.

BUFFO

From the Italian for 'buffoon'. A singer of comic roles (basso-buffo) or a comic opera (opera-buffa).

CADENZA

A passage of singing, often at the end of an aria, which shows off the singer's vocal ability.

CHOREOGRAPHY

The act of setting movement to music to create a dance.

CHORUS

A group of singers who portray servants, party guests, or other unnamed characters; also the music written for them.

COLORATURA

Elaborate ornamentation of music written for a singer using many fast notes and trills.

COMPOSER

The person who writes the music.

CONDUCTOR

The leader of the orchestra sometimes called maestro.

CONTRALTO

The lowest female singing voice.

CRESCENDO

A build in the volume or dynamic of the music.

DESIGNER

The person who creates the lighting, costumes or sets.

DIRECTOR

The person who instructs the singer-actors in their movements on-stage and in the interpretation of their roles.

DUET

Two people singing or playing together, or the music written for two performers.

ENSEMBLE

Two or more people singing at the same time, or the music written for such a group.

FINALE

The last musical number of an opera or the last number of an act.

INTERLUDE

A short piece of instrumental music played between scenes or acts.

KEY

The specific tonality of a piece of music, indicating the precise pitch which is to serve as the tonal center.

LIBRETTO

The text or words of an opera.

LYRICS

The sung words or text of a musical comedy or operetta song.

MELODY

The tune of the music.

MEZZO-SOPRANO

The middle female singing voice, lower than soprano, but higher than contralto.

OPERA

Italian for 'the work'. A libretto acted and sung by one or more singers to an instrumental accompaniment. In short: words plus music plus staging

ORCHESTRA

The group of instrumentalists or musicians who, led by the conductor, accompany the singers.

ORCHESTRATION

The art of writing for the orchestra. Decisions about what instruments should play which parts of the music can affect the sound of a composition a great deal.

OVERTURE

The orchestra's introduction to an opera that shows the mood or tone of the opera (French: ouverture; German: ouverture; Italian: sinfonia).

PITCH

The highness/lowness of a sound or tone.

PRINCIPAL

A major singing role, or the singer who performs such a role.

QUARTET

Four singers or the music that is written for four singers. Also quintet, sextet, etc

RECITATIVE

The sung words which often come before an aria or ensemble. The purpose of recitative is to advance the plot.

SCORE

The written music of an opera or other musical work.

SERENADE

A piece of music honoring someone or something, an extension of the traditional performance of a lover beneath the window of his mistress.

SOPRANO

The highest female singing voice.

TEMPO

The speed of the music.

TENOR

The highest adult male singing voice.

TRILL

Very quick alternation of pitch between two adjacent notes. See coloratura.

TRIO

An ensemble of three singers or the music that is written for three singers.

—Courtesy of teachopera.net