Mozart - Piano Sonata in B flat, K. 333: movement I

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  • Created by: Francisca
  • Created on: 05-04-13 21:13
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  • Mozart - Piano Sonata in B flat, K. 333: movement I
    • Background
      • The 1st movement of a Classical three movement sonata
      • Composed in 1783
      • Intended as much for domestic/instructional purposes as concert use
    • Rhythm and metre
      • Quadruple common time
      • Use of Anacrusis
      • Syncopation  in the 1st subject and continuous semiquavers in the second subject
    • Melody
      • Typical classical phrasing at the opening of the second subject
      • First subject contrasts, it contains a four-bar phrase, answered by a six-bar extension
      • Opens diatonically, but chromatic inflections are frequent
      • Melodies are often extended by use of sequences
      • Ornamentation; appoggiaturas (both diatonic and chromatic) and use of turns
    • Harmony
      • Functional with cadences
      • Use of classical cadential 6/4
      • Other features:
        • Appoggiatura chord
        • Diminished  7th chord
        • Augmented  6th chord
    • Tonality
      • Clearly defined
      • Modulation used to define structure
    • Structure
      • Sonata form
      • 1-63: Exposition
        • 1-10: First subject - B flat
        • 10-22: Transistion
        • 23-63: Second subject with codetta - F major
      • 63-93:  Development -  various F, F inor, C minor, B flat, G minor,  dominant preparation
      • 93-165: Recapitulation- B flat
    • Instrumentation
      • Use of fortepiano as opposed to harpsichord
      • Five octave range
    • Texture
      • Various forms of melody-dominated homophony
      • Right hand carries the melody throughout
      • Consists of only two lines, left hand uses broken chord accompaniment or Alberti bass
        • Alberti  bass - form of broken  chord accompaniment in which the figuration consists of a recurring four note pattren in the order low high middle high
      • Densest chord used at the start of the second subject
      • Occasionally right hand plays octaves

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