J.c. bach - concerto for harpsichord or piano and strings in e flat major, movement 1 quizlet10/12/2023 ![]() The main sense of contrast in the first movement is conveyed not by variation of keys or of a primary and secondary theme, but by the distinction between the soloist's triplets and the orchestra's sturdy ritornello. In the equivalent of a sonata's recapitulation, the ritornello and the soloist's triplets are restated, finally concluding in a compressed eight-bar ritornello. Midway through this section, the tutti briefly suggests the ritornello, then gives way to the soloist for a full 24 bars of triplet figures. After the tutti restates the ritornello in A flat, the soloist embarks upon a sonata-like development, firmly rooted in the tonic, to build up momentum. Once the ritornello is introduced, the soloist elaborates on the triplet figure with light accompaniment. ![]() Even in the solo episodes, the bass figure from the ritornello is frequently restated. It begins with a tutti exposition of a 14-bar ritornello, characterized by a firmly stated bass figure and a recurring sixteenth note triplet in the upper voice. ![]() The first movement, an Allegro, has hints of the form that would later be described as a sonata-rondo. Written during Bach's Cöthen period, the concerto is in three movements all three are in ritornello form, in which each movement is based upon a single theme restated in various orchestrations at the opening, the closing, and after each exploratory section. While some scholars have attributed the violin composition to Vivaldi or to a minor German composer, the counterpoint and structure of the clavier seem indicative of Bach's idiom. Like Johann Sebastian Bach's better known Concerto in D minor, this work is thought to be a transcription of a lost concerto.
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