1. Mozart: Piano Concerto no 23
1st movement

2. Sonata Form: Double Exposition, Development, Recapitulation
Keywords
Classical era
Concerto
Sonata Form: Double Exposition, Development, Recapitulation
Cadenza
Chromatic movement
Canon
Alberti Bass
Sequence

3. 1e - Piano Exposition Bar 143
Themes
1a - Bar 1
1b – Bar 18
1c – Bar 30
1d – Bar 46
1e - Piano Exposition Bar 143

4. 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

5. 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

6. Lyrical contrasting theme
1c theme
1c – Bar 30 1st violins
Lyrical contrasting theme
Strings followed by ww
Descending sequences
Chromatic movement

7. 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

8. 1 e theme First appears in Piano Exposition bar 143 E major
6 bars & begins after minim rest
Used as basis of development

9. 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