In Alfred Einstein's words, "If anywhere, then it is here that we find the connecting link between the Unfinished and the C major Symphony." This is how Einstein assessed the first and lengthiest of the three entr'actes.

Concert practice continues to reaffirm this judgment to this day, for it is impossible to envision the symphonic repertoire without these three orchestral works not only because of the first piece, which happens to be in B minor, the key of the "Unfinished," but also because ...