With such a long gestation period for the Concord Sonata, the ideas from this work permeate much of his other compositions from the same time, and there is a nearly constant overlap of motives (the BACH theme plays a large role in the Three-Page Sonata, and the First Sonata, and makes a guest appearance in the Hawthorne movement of the Concord Sonata), rhythmic ideas, quotations, and harmonies i