Write a critical musical biography of one of the following composers:
Franz Schubert
Felix Mendelssohn
Robert Schumann
Hector Berlioz
Franz Liszt
Richard Wagner
Giuseppe Verdi
Giacomo Puccini
Modest Mussorgsky
Nikolai Rimsky-Korsakov
Pyotr Tchaikovsky
Johannes Brahms
Anton Bruckner
Gustav Mahler
Richard Strauss
Jean Sibelius
Arnold Schoenberg
Igor Stravinsky
Bela Bartok
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