Ludwig van Beethoven (baptised 17 December 1770 – 26 March 1827) was a German composer and pianist. 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. His best-known compositions include 9 symphonies, 5 concertos for piano, 1 violin concerto, 32 piano sonatas, and 16 string quartets. He also composed other chamber music, choral works (including the celebrated Missa solemnis), and songs. More: en.wikipedia.org.