Mozart: Piano Concerto no 23 1st movement
Sonata Form: Double Exposition, Development, Recapitulation Keywords Classical era Concerto Sonata Form: Double Exposition, Development, Recapitulation Cadenza Chromatic movement Canon Alberti Bass Sequence
1e - Piano Exposition Bar 143 Themes 1a - Bar 1 1b – Bar 18 1c – Bar 30 1d – Bar 46 1e - 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
Sequence on opening short figure 1b theme 1b – Bar 18 Strings & Flute More energetic than 1a A major, Repeated notes Sequence on opening short figure Never heard on piano
Lyrical contrasting theme 1c theme 1c – Bar 30 1st violins Lyrical contrasting theme Strings followed by ww Descending sequences Chromatic movement
Not heard again until coda bar 299 1 d theme 1d – Bar 46 1st violins Dotted rhythm & Upbeat Dialogue ww & strings Not heard again until coda bar 299
1 e theme First appears in Piano Exposition bar 143 E major 6 bars & begins after minim rest Used as basis of development
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