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 horns used in the fourth movement are natural horns in C, which can easily play this passage. If Beethoven had wanted the second theme in the horns, he could have had the horns resting for the previous bars to give them time to switch instruments, and then written "muta in c," similar to his "muta in f" instruction in measure 412 of the first movement of Symphony No. 3. The Fifth has been adapted many times to other genres. Examples include: Symphony No. 5 (Beethoven) The Symphony No. 5 in C minor of Ludwig van Beethoven, Op. 67, was