obbligato

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obbligato

(ŏbləgä`tō) [Ital.,=obligatory], in music, originally a term by which a composer indicated that a certain part was indispensable to the music. Obbligato was thus the direct opposite to ad libitum [Lat.,=at will], which indicated that the part so marked was unessential and might be omitted. Misunderstanding of the term obbligato, however, resulted in a reversal of its meaning; when a violin part, for example, is added to a song it is called a violin obbligato, whereas it may be a superfluous ornament for which ad libitum would be a more precise direction.

Obbligato

 

an instrumental part in a musical work that must not be omitted; it is obligatory that it be performed. Obbligato parts can be of varying importance—ranging from those that are significant but still form part of the accompaniment to parts that share equal significance with the featured solo part. In 17th- and 18th-century operas, oratorios, and cantatas (for example, in Bach’s Mass in B Minor) one often encounters arias, and sometimes even duets, with the participation of an obbligato instrument (or several instruments) and the orchestra. The opposite of obbligato is ad libitum (“at will”).

obbligato

, obligato Music
1. not to be omitted in performance
2. an essential part in a score
References in periodicals archive ?
Bach's present day successor, the Cantor Georg Christoph Biller, was well into period performance practice, which he drew from the normally romantic musicians of the Orchestra, even replacing the obligato Viola d'Amore by the theorbo in the bass aria, Come Blessed Cross.
Ia terza chosa perche duro a perdonare e quando tu sarai ingiuriato da minore di te di forza a di parentadola, quarta chosa quando cholui che ttara molto offeso per alchuna chagione ti fare malto obligato o sara da tte molto stato servito.
In a 95% male orchestra, it was all the more interesting that the exacting obligato horn solos were the responsibility of a young woman, dramatically well played with confident assurance.
24 songs (several with optional obligato instruments) by 22 composers.
Concertos for Harpsichord Obligato, Two Violins, Viola and Cello
Clare Dunn, timpanist, also made a fine contribution, while Michael Briggs produced a splendid trumpet obligato.
A member of the local council, the Dodici Consiglieri, proposes a priest, Don Lorenzo di Lucantonio di Marcho di Francesco Ricordati da Buggiano, to serve a life term with the obligation to offer good hospitality ("sia obligato di tener buona spidalita".
She made her grand aria, "Parto, ma tu ben mio," a lesson in line, style and (with clarinet obligato player Carmen Chapa) ensemble.
A favourite Sonata for the Harpsichord, with an accompaniment for a Violin Obligato, as performed by Messrs.
Green trombone smears and bridges at several points throughout; reed trio, 24 b; Armstrong trumpet, 12 b; trumpet trio, 16 b, with brk by clarinets; clarinet trio, 16 b; Bailey clarinet obligato, 32 b, with Dixon banjo brk in middle; clarinets, brk.