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. 8 (Beethoven) at a concert in the Redoutensaal, Vienna, at which the Seventh Symphony (which had been premiered two months earlier) was also played. Beethoven was growing increasingly deaf at the time, but nevertheless led the premiere. Reportedly, "the orchestra largely ignored his ungainly gestures and followed the principal violinist instead." When asked by his pupil Carl Czerny why the Eighth was less popular than the Seventh, Beethoven is said to have replied, "because the Eighth is so much better." A critic wrote that "the applause it received was not accompanied by that enthusiasm which distinguishes a work which gives universal delight;