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. 10 (Beethoven/Cooper) by Universal Edition, Vienna, and appeared in a new edition in 2013. After completing the Ninth Symphony in 1824, Beethoven devoted his energies largely to composing his late string quartets, although there are contemporary references to some work on a symphony (e.g. in his letter of 18 March 1827); allegedly he played a movement of this piece on the piano for his friend Karl Holz, whose description of what he heard matches the sketches identified by Cooper. Cooper claimed that he found over 250 bars of sketches for the first movement, which he wove together to form the movement, keeping