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Mozart: Piano Concerto no 23. 1 st movement. Keywords. Classical era Concerto Sonata Form: Double Exposition, Development, Recapitulation Cadenza Chromatic movement Canon Alberti Bass Sequence. Themes. 1a - Bar 1 1b – Bar 18 1c – Bar 30 1d – Bar 46
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Mozart: Piano Concerto no 23 1st movement
Keywords • Classical era • Concerto • Sonata Form: Double Exposition, Development, Recapitulation • Cadenza • Chromatic movement • Canon • Alberti Bass • Sequence
Themes • 1a - Bar 1 • 1b – Bar 18 • 1c – Bar 30 • 1d – Bar 46 • 1e - presented later in Piano Exposition Bar 143
1 a theme • 1a – Bar 1 Strings • A major, Balanced phrasing • Built on tonic chord • Ascending staccato scale • Chromatic movement • Sequence in bars 5/6
1b theme • 1b – Bar 18 Strings & Flute • More energetic than 1a • A major, Repeated notes • Sequence on opening short figure • Never heard on piano
1c theme • 1c – Bar 30 1st violins • Lyrical contrasting theme • Strings followed by ww • Descending sequences • Chromatic movement
1 d theme • 1d – Bar 46 1st violins • Dotted rhythm & Upbeat • Dialogue ww & strings • Not heard again until coda bar 299
General points • Use of sequence • WW/String dialogues/ Antiphonal texture • Alberti bass on piano • Compare themes as played by orchestra and later elaborated on by piano • Use of canon • Chromatic movement
1 e theme • First appears in Piano Exposition bar 143 • E major • 6 bars & begins after minim rest • Used as basis of development
Mozart Piano Concerto no 23 2nd Movement
Keywords • Siciliana – slow 6/8 • Minor key – only piece in f sharp minor • No definitive form: Section A, Section B, Section A (shortened), Coda • Lyrical in the style of all Mozart’s second movements
Theme 1 • Piano solo • 4 bars followed by 7 bars • Syncopated rhythm • Chromatic movement • Based on tonic chord • Spread over range of 2 octaves
Theme 2 • Presented in 3 entries heard in imitation (canon) between ww and strings • Each statement has higher pitch • Each statement has a louder dynamic • Build up of intensity and drama
Theme 3 • Opens in f sharp minor ending in A major • Played twice on piano unaccompanied • Decorated opening upbeat • 2 bar descending theme • Chromatic movement
General points • Minor tonality • Pedal points on Horn • Long sustained notes • Ascending/Descending scales • Chromatic movement • Broken chord accompaniments • Pizzicato strings introduced in Coda