Classical music written in collaboration would include: There are also instances where a work was left unfinished at the composer's death, and was completed by another composer. In such cases, the later composer generally strives to ensure the finished product is as close as possible to the original composer's intentions, as revealed by their notes, rough drafts, or other evidence. One of the best known examples is the completion by Franco Alfano of Giacomo Puccini's opera "Turandot". There may also be a case for describing Sir Edward Elgar's Symphony No. 3 as a work by both Elgar and Anthony Payne. However, these types of works
Giacomo Puccini referred to her well publicised affair with Arturo Toscanini. This version was in two acts; after its disastrous premiere, Puccini withdrew the opera, revising it for what was virtually a second premiere at Brescia in May 1904 and performances in Buenos Aires, London, the USA and Paris. In 1907, Puccini made his final revisions to the opera in a fifth version, which has become known as the "standard version". Today, the standard version of the opera is the version most often performed around the world. However, the original 1904 version is occasionally performed as well, and has been recorded. After