Question: Chris Carson has performed works by which composer of 9 symphonies?

<P0-S0> Chris Carson (born August 21, 1985) is an American pianist and composer native to San Antonio, Texas. <P0-S1>  Growing up in Houston, Texas, he attended High School for the Performing and Visual Arts and studied with Timothy Hester, a Juilliard graduate. <P0-S2>  Other teachers have included Abbey Simon, Ludmilla Lifson, and Victor Rosenbaum. <P0-S3>  Mr. Carson has been a very successful competitor, capturing many awards and top ratings in competitions throughout his career. <P0-S4>  He recently was the inaugural winner of the Pacifica Quartet Competition, and, in 2009, performed the Brahms piano quintet with the Grammy-award winning group. <P0-S5>  Mr. Carson's performances have taken him to New York, Dallas, Chicago, Boston, Houston, Montreal and overseas to venues in Italy, France, and Germany. <P0-S6>  An active composer, Carson premiered his Fantasy for Piano in Italy in 2006 and is very involved in composing both sacred and secular music. <P0-S7>  He has received first prize in numerous concerto competitions, and has appeared as a soloist with three orchestras over the past few years, most recently with Orchesterakademie in Germany in 2009, performing a repertoire of Beethoven, Liszt, Shostakovich, and Mendelssohn. <P0-S8>  Mr. Carson is also an active teacher in the Boston area, coaching both pianists and vocalists. <P0-S9>  He currently resides in Boston, where he attended Longy School of Music for his master's degree. <P0-S10>  He is now a music director, teacher, and freelancer, in addition to being the choral accompanist for the Belmont Public Schools, in Belmont, Massachusetts. <SEP> <P1-S0>  A crucial figure in the transition between the Classical and Romantic eras in Western art music, he remains one of the most famous and influential of all composers. <P1-S1>  His best-known compositions include 9 symphonies, 5 piano concertos, 1 violin concerto, 32 piano sonatas, 16 string quartets, his great Mass the "Missa solemnis", and one opera, "Fidelio". <P1-S2> Ludwig van Beethoven ( , ; ] ; baptised 17 December 177026 March 1827) was a German composer and pianist. <SEP> <P2-S0> Arvo Pärt (] ; born 11 September 1935) is an Estonian composer of classical and religious music. <P2-S1>  Since the late 1970s, Pärt has worked in a minimalist style that employs his self-invented compositional technique, tintinnabuli. <P2-S2>  Pärt's music is in part inspired by Gregorian chant. <P2-S3>  His most performed works include "Fratres" (1977), "Spiegel im Spiegel" (1978), and "Für Alina" (1976). <P2-S4>  Pärt has been the most performed living composer in the world for five consecutive years. <SEP> <P3-S0> The Symphony No. 9 in D minor, Op. <P3-S1>  125, is the final complete symphony composed from 1822 to 1824 by the German composer Ludwig van Beethoven. <P3-S2>  It was first performed in Vienna on 7 May 1824. <P3-S3>  The symphony is one of the best-known works in common practice music. <P3-S4>  It is widely viewed by critics as one of Beethoven's greatest works, the pinnacle of musical Classicism, and one of the greatest compositions in the western musical canon. <P3-S5>  The symphony was the first example of a major composer using voices in a symphony (thus making it a choral symphony). <P3-S6>  The words are sung during the final movement by four vocal soloists and a chorus. <P3-S7>  They were taken from the "Ode to Joy", a poem written by Friedrich Schiller in 1785 and revised in 1803, with text additions made by the composer. <P3-S8>  In the 2010s, it stands as one of the most performed symphonies in the world.