下篇主要是从交响曲和独奏奏鸣曲两个方面对古典奏鸣曲式的形成进行了探讨，并对主要作曲家的作品进行了研究，对每位作曲家在古典奏鸣曲式形成过程中的历史贡献作了总结。

Part two carries on a further study of the form in symphonies and solo sonatas as well as works of major composers and the historical contribution of each to the development of the form.

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