Ludwig van Beethoven(1770-1827), German composer, born into a family of musicians, studied music with Pfeifer, Rovantini, Haydn, Albrechtsberger etc., composed mainly orchestral and chamber music: 9 symphonies, 5 piano concertos, 1 violin concerto, and 1 triple concerto, 16 string quartets, 32 piano sonatas, 10 violin sonatas, overtures, incidental music, and one opera"Fidelio".. etc.