works for other forces, such as: Maurice Ravel's orchestration of Modest Mussorgsky's piano work Pictures at an Exhibition Franz Liszt's transcription for solo piano or two pianos of the nine symphonies of Beethoven Robert Wright and George Forrest's arrangements of the works of classical composers as songs for musicals (the best known are Kismet, based on Alexander Borodin; and Song of Norway, based on Grieg) Quotation Quotation of a theme or themes by another composer. Many examples, including: Richard Strauss quoted the funeral march from Beethoven's Eroica Symphony (No. 3) in his Metamorphosen for 23 solo strings Igor Stravinsky quoted a theme from Franz Schubert's Marche Militaire No. 1 in D in his Circus Polka Transformation Transformation of completed works, such as: Charles Gounod took the melody line from Bach's Prelude No. 1 in C major from Book I of The Well-Tempered Clavier, and added his own harmonies, setting it to the words of the prayer Hail Mary (in Latin, Ave Maria). His setting was called Ave Maria Grieg added an additional part for a second piano to existing solo piano sonatas by Mozart Synthesis Synthesis of fragmentary notes into a conjectural whole, such as: Luciano Berio's Rendering (1989) embeds fragments of an unfinished symphony by Franz Schubert Anthony Payne's elaboration of Edward Elgar's notes for his Third Symphony (which he does not pretend is necessarily what Elgar would have written had he had the opportunity) Charles Wuorinen's A Reliquary for Igor Stravinsky (1975) incorporates sketch fragments by Igor Stravinsky Completion Completion of substantially written but unfinished works, such as: Franz Xaver Süssmayr completing Mozart's Requiem in accordance with the outline sketched by the composer Franco Alfano completing Giacomo Puccini's opera Turandot Deryck Cooke's completion of Gustav Mahler's Tenth Symphony Imitation Imitation, where a composer deliberately copies the compositional style of an earlier composer, such as: Siegfried Ochs wrote a set of 14 Humorous Variations on the German Volkslied "Kommt ein Vogel geflogen", in which each variation was in the style of a different composer (they included Bach, Haydn, Mozart, Beethoven and Wagner) Sergei Prokofiev imitated Joseph Haydn in his Symphony No. 1 in D Classical Maurice Ravel composed two piano pieces in 1913, titled A la manière de … Borodine, and A la manière de … Chabrier Heitor Villa-Lobos wrote a series of works called Bachianas Brasileiras, imitating the style of Bach Tchaikovsky wrote imitative piano pieces called Un