Johannes Brahms was a German composer and pianist of the Romantic period. He is best known for his lullabies, which are some of the most beloved pieces of music in the world. Brahms composed over 200 works, including four symphonies, four concerti, and many chamber works. He was also an important influence on the development of the modern piano. Brahms' music is characterized by its emotional depth and complexity, and his lullabies are no exception.