Jakob Ludwig Felix Mendelssohn Bartholdy, simply known as Felix Mendelssohn, was a German composer, pianist, organist and conductor of the early Romantic era. Mendelssohn's compositions include symphonies, concertos, piano music, organ music and chamber music. His best-known works include the String Octet, the overture and incidental music for A Midsummer Night's Dream, the Italian and Scottish Symphonies, the oratorios St. Paul and Elijah, the Hebrides Overture, the mature Violin Concerto, and the melody used in the Christmas carol "Hark! The Herald Angels Sing". Mendelssohn's Songs Without Words are his most famous solo piano compositions.