L. van Beethoven Piano Sonata No.15 in D Major, Op.28의 주제에 의한 통일성 연구
A Study on Thematic Unity of L. van Beethoven's Piano Sonata No.15 in D Major, Op.28
thematic unity of L. van Beethoven's piano sonata no.15 in D major op.28;
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The Classical period had great social changes by the influences of idea of Enlightenment and the Industrial Revolution. As a result, the bourgeoisie people's influence became bigger than the king's and aristocrat's. The social changes influenced on music also. Homophony and sonata style of theme-motive working method developed. Intensifying theme-motive working method, Beethoven developed highly sophisticated sonata style. Beethoven's Piano Sonata No.15 in D Major, Op.28 'Pastoral' was composed in 1801 showing thematic unity through the theme-motive working method. The features of the first theme of the first movement give the entire work thematic unity. The melodic and rhythmic features of the first theme of the first movement are combined with other musical elements to form other altered themes and the altered themes developed and constructed the work. There are three main thematic features in the first theme of the first movement. The first is the descending scale, A-G-F♯-E-D-C♯-B-A, the second is repeated D notes in the bass and the third is the rhythm of half note, quarter note in the theme. The descending scale is reused in the themes of the second, the third and the fourth movements. Repeated notes also reappears in the second and the fourth movements. The rhythm of half note, quarter note in the theme is reused in the second theme of the first movement and in the themes of the fourth movement. As mentioned above, Beethoven's Piano Sonata No.15 in D Major, Op.28 'Pastoral' is united by the features of the first theme of the first movement. The altered themes with the features of the first theme of the first movement are used in other movements and the whole sonata has thematic unity.