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Beethoven: Piano Sonata No.8, first movement - EdexcelMusical description - metre, melody and harmony

Ludwig van Beethoven and the piano were two of the most exciting new qualities of music in the 18th century and both are showcased in his Sonata Op.13 No.8 in C minor, Path茅tique, first movement.

Part of MusicInstrumental music 1700 to 1820

Musical description - metre, melody and harmony

Metre and tempo

The introduction has a 4/4 time signature, although the exposition changes to a 2/2 time signature with a clear two beats in a bar.

The tempi indicated are:

  • introduction -
  • first subject -

Melody

Bar 1 has a dotted semiquaver that is used throughout the introduction. Bar 10 includes a long, rapid, descending chromatic run.

The first subject melody is a rising theme over two octaves.

A score with acciaccaturas and mordents from Beethoven's Piano Sonata No.8
Figure caption,
The first subject is an ascending melody marked with staccato accents

Each rising note is played with staccato

The transition is based on the first subject theme and employs lots of . The second subject is a lyrical, phrase and contrasting spiky, staccato phrase. The melody includes and .

A score illustrating the musical features of acciaccaturas and mordents from Beethoven's Piano Sonata No.8
Figure caption,
The second subject contrasts to the first subject and includes delicate acciaccaturas

An extract of audio from bar 52

The development contains fragments of the introduction and exposition melodies. For example, bar 137 is based on the first subject and bars 140 and 141 are based on the second subject.

Harmony and tonality

The introduction opens in the dramatic key of C minor, the key. Chromatic notes are heard along with .

The first subject is in C minor, the opening pedal alternating between bass octave C . A is heard in bars 18 to 19 before the theme is repeated. Diminished seventh chords are heard again in bar 18 and there is an at bar 27.

The transition modulates through Ab and Bb before the second subject begins in the key of E鈾 minor, instead of the relative major of the opening key, E鈾 major. The key becomes E鈾 major in bar 89. A pedal is used in bar 51 to add variation.

The theme is repeated in a number of different keys, especially in the development, as this section has a lot of chromatic notes and works through many .

For the recapitulation, the first subject is in C minor and the second subject begins in F minor, returning to C minor. There are more diminished chords on the first beat of bars 2, 26 and 42.