Keywords: Si, operetta by Mascagni, libretto cover.jpg en Cover of the libretto for Pietro Mascagni's operetta Sì published by Casa Musicale Sonzogno in 1919 the year the operetta premiered 1919 Lombardo Carlo 1919 https //archive org/details/sicarlolombardom00masc Sì Libretto Milan Casa Musicale Sonzogno Cover artist Renzo C Ventura pseudonym of Lorenzo Contratti 1886-1940 PD-old-auto-1923 PD-old-70-1923 Uploaded with UploadWizard Libretti of operas by Mascagni Opera libretti published by Sonzogno 1919 opera libretti 1919 book covers Sheet music covers |