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
Alfredo Casella in music and influenced his own compositions profoundly. His editions of Johann Sebastian Bach and Ludwig van Beethoven's piano works, along with many others, proved extremely influential on the musical taste and performance style of Italian players in the following generations. Usually the "generazione dell'ottanta" ("generation of '80"), including Casella himself, Malipiero, Respighi, Pizzetti, and Alfano — all composers born around 1880, the post-Puccini generation — concentrated on writing instrumental works, rather than the operas in which Puccini and his musical forebears had specialised. Members of this generation were the dominant figures in Italian music after Puccini's death in 1924;