Opera
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Opera is an art form consisting of a dramatic stage performance
set to music.
The drama is presented using the typical elements of
theatre such as scenery, costumes, and acting. However,
the words of the opera, or libretto, are sung rather
than spoken. The singers are accompanied by a musical
ensemble ranging from a small instrumental ensemble
to a full symphonic orchestra.
Opera draws from many other art forms. Whether the
words or the music are paramount has been the subject
of debate since the 17th century and earlier in the
case of all vocal works. The visual arts, such as painting,
are employed to create the visual spectacle on the stage,
which is considered an important part of the performance.
Finally, dancing is often part of an opera performance,
particularly in France.
Singers and the roles they play are classified according
to their vocal ranges. A particular singer's classifications
change drastically over his or her lifetime, rarely
reaching vocal maturity until the third decade, and
sometimes not until middle age. Male singers are classified
as bass, bass-baritone, baritone, tenor and countertenor.
Female singers are classified, as contralto, mezzo-soprano
and soprano. Each of these classifications has subcategories,
such as lyric soprano, coloratura, soubrette, spinto,
and dramatic soprano, which associate the singer's voice
with the roles most suitable to the vocal timbre and
quality and its range, or tessitura. The German Fach
system is an especially organized system of classification.
Traditional opera consists of two modes of singing:
recitative, the dialogue and plot-driving passages often
sung in a non-melodic style characteristic of opera,
and aria, during which the movement of the plot often
pauses, with the music becoming more melodic in character
and the singer focusing on one topic or emotional affect.
Short melodic or semi-melodic passages occurring in
the midst of what is otherwise recitative are also referred
to as arioso; in the late 19th century, many composers
abolished much of the distinction between recitative
and aria, writing opera which is essentially presented
in a restlessly melodic arioso style throughout. All
types of singing in opera are accompanied by musical
instruments, though until the late 18th century generally,
and persisting until even later in some regions, recitative
was accompanied by only the continuo group (harpsichord
and 'cello or bassoon). During the period when composers
often used both methods of recitative accompaniment
in the same opera, the continuo-only practice was referred
to as "secco" (dry) recitative, while orchestral-accompanied
recitative was called "accompagnato" or "stromentato."
Opera and Spoken Dialogue
Some genres of opera use spoken dialogue accompanied
or unaccompanied by an orchestra rather than recitative.
Such dialogue also is the essential feature of melodrama,
in its original 19th century sense. Such melodrama grew
partly from the practice that seems to have originated
in the 16th century of writing incidental music to stage
plays, either those already existing or newly composed.
The most familiar example of such to most readers will
probably be Mendelssohn's music for A Midsummer Night's
Dream; this work is almost certainly the most frequently
performed of the genre in a context separate from its
accompanying play, and has been transcribed for nearly
all imaginable chamber combinations, as well as concert
band. The pit orchestra underscoring the dramatic action
in 19th century melodrama survives in today's tradition
of film scores, and spectacular films incorporating
serious music can be considered the direct heirs of
melodrama. Perhaps such film scores can in some sense
even be considered both the heirs and the competitors
of grand opera.