Ludwig van Beethoven notable work Fidelio
The middle period
His middle period began shortly after the personal crisis brought on by his recognition of encroaching deafness. It includes large-scale works that express heroism and struggle. Middle-period works include six symphonies (Nos. 3–8), the last two piano concertos, the Triple Concerto and violin concerto, five string quartets (Nos. 7–11), several piano sonatas (including the Waldstein and Appassionata sonatas), the Kreutzer violin sonata and his only opera, Fidelio.
This period is sometimes associated with a heroic manner of composing, but the use of the term "heroic" has become increasingly controversial in Beethoven scholarship. The term is more frequently used as an alternative name for the middle period. The appropriateness of the term heroic to describe the whole middle period has been questioned as well: while some works, like the Third and Fifth Symphonies, are easy to describe as heroic, many others, like his Symphony No. 6, Pastoral or his Piano Sonata No. 24, are not.
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