Piano Concert No. 20 in D Minor, K.466- Mozart
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- Created on: 19-05-16 13:21
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- Piano Concerto No. 20 in D Minor, K.466- Mozart
- Context
- Composed 1785 for series of 6 subscription concerts in Mehlgrube Casino, Vienna
- Mozart successful at this point, didn't have acceptance from his father, hadn't spoken for years and was attending the concert
- First of two minor piano concertos, published after his death
- The Orchestra
- Flute, 2x oboe, 2x bassoon, 2x horn in D, 2x trumpet in D, timpani tuned to D and A, piano, strings
- Transposing instruments
- Horns sound down minor 7th
- Trumpets sound up a tone
- Double bass sounds down an octave
- Structure
- Fusion of Baroque Ritornello form and Romantic Sonata form with double exposition
- Ritornello
- Texture
- Opening full strings play syncopated chords
- 21-2 unusual with cellos above violin and viola
- Full tutti passages
- Piano at 95 elaborates string passages with inner pedal
- Wind often in pairs
- Orchestration often altered when themes are repeated
- Melody and Harmony
- Melody
- Lots of syncopation
- Very virtuosic piano part in coda
- Woodwind often given melodic material
- Piano solo in 2nd Expo
- Conjunct and diatonic writing
- Scalic and arpeggiaic passages
- Use of trills (supertonic trills used to move into next section
- Use of silence to increase tension e.g. b.68
- Harmony
- Oboe suspensions bb.39-42 over light strings
- Chords borrowed from enharmonic major/minor e.g. bb.162-5 use Bb minor chord, minor subdom. of tonic (F Major)
- Dominant minor 9ths e.g. b.236
- Diminished 7ths e.g. b.19
- Augmented 6ths e.g. b.63
- Functional
- Neapolitan 6ths e.g. b.49
- Melody
- Cadenza
- Written after performance, improvised by Mozart
- Virtuosic, chance to show off
- Alternatives composed by other composers inc. Beethoven and Mendelssohn
- Context
- 2nd Expo, 1st Subject
- Solo Episode 1
- 2nd Expo, 1st Subject with solo
- 2nd Expo, 2nd Subject with solo
- Ritornello
- Development
- Episode 2
- Recapitulation 1st Subject
- Recapitulation 2nd Subject
- Final Ritornello
- Coda (Inc. Cadenza)
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