The name Franz Schubert is synonymous with classical music, particularly for his contributions to the Romantic era. The Austrian composer is regarded as one of the most important composers of the 19th century. Schubert is known for his prolific output of more than 600 songs, chamber music, symphonies, and operas. He also developed the art song, or Lied, which combines poetry with music. Some of his most famous works include "Die Forelle," "Ave Maria," and the "Unfinished Symphony." Other synonyms for Franz Schubert include "the master of melody," "the father of the art song," and "the poet of music".