Tosca utters her Act Two supplication 'Vissi d'arte' in a soaring melodic idiom, reinforced by a rich harmonic language and orchestral palette. Although the continuous swaths of sound in Puccini's score avoid the sharp delineations between recitative and aria of earlier nineteenth century Italian operas, arias still function to uncover the emotions of the central characters in Tosca. An expansive, major-mode theme, orchestrated for strings, is introduced in Act One as Tosca's and Cavaradossi's love music, and returns in Act Two, when Tosca enters Scarpia's chamber and as Cavaradossi is led from the torture chamber to Tosca, and in Act Three, as pantomime music as Cavaradossi writes his farewell to Tosca. The opera begins as the orchestra states the low brass-laden three-chord motive outlining the sinister interval of a tritone (B flat major, A flat major, E major) that we come later in Act One to associate with the villainous confessor and executioner Scarpia. Puccini creates coherence between story and music with themes that recur in association with characters and concepts. Puccini's publisher Giulio Ricordi eventually convinced the composer to complete Tosca. His delay in commencing the music for Tosca was largely the result of his flagging interest in the play, perhaps brought on by Sardou's admission of his dislike for Puccini's music. Puccini first came into contact with Sardou's play in 1889. Luigi Illica and Giuseppe Giacosa based their libretto for Tosca on Victorien Sardou's play La Tosca (1887), which actress Sarah Bernhardt made famous in performances throughout Europe. Tosca was premiered in 1900 at Rome's Teatro Costanzi to a temperate critical reception. In Tosca, Puccini explored the dark side of human emotion, a marked change from the late Romantic sentimentality of La Bohème.

After the poor reception of Puccini's first two operas, Le villi and Edgar, Manon Lescaut brought him considerable fame and financial success, and La Bohème was popularly (although not always critically) well received. Giacomo Puccini (1858-1924) had composed four operas before officially taking up his pen with Tosca in 1895.

Puccini opera tosca music