Symphony No. 9 (Schubert) trombone as an effect, and therefore very sparingly, or, in the case of his Ninth Symphony, also to double the alto, tenor, and bass parts of the chorus as was common in sacred music and opera at the time. However, in Schubert’s Unfinished Symphony and the Ninth Symphony, the trombones become essential members of the orchestra playing throughout the piece, and even receive important melodic roles. Symphony No. 9 (Schubert) The Symphony No. 9 in C major, D 944, known as the Great (published in 1840 as "Symphony No. 7 in C Major", listed as No. 8 in the Neue
Symphony No. 5 (Beethoven) the work. The first "sketches" (rough drafts of melodies and other musical ideas) date from 1804 following the completion of the Third Symphony. However, Beethoven repeatedly interrupted his work on the Fifth to prepare other compositions, including the first version of "Fidelio", the "Appassionata" piano sonata, the three "Razumovsky" string quartets, the Violin Concerto, the Fourth Piano Concerto, the Fourth Symphony, and the Mass in C. The final preparation of the Fifth Symphony, which took place in 1807–1808, was carried out in parallel with the Sixth Symphony, which premiered at the same concert. Beethoven was in his mid-thirties during this